diff --git a/application/config/constants.php b/application/config/constants.php
index 1e30f6d0..29ff6b99 100644
--- a/application/config/constants.php
+++ b/application/config/constants.php
@@ -72,6 +72,7 @@ const PRIV_USERS = 'users';
 const PRIV_SYSTEM_SETTINGS = 'system_settings';
 const PRIV_USER_SETTINGS = 'user_settings';
 const PRIV_WEBHOOKS = 'webhooks';
+const PRIV_BLOCKED_PERIODS = 'blocked_periods';
 
 const DATE_FORMAT_DMY = 'DMY';
 const DATE_FORMAT_MDY = 'MDY';
diff --git a/application/controllers/Blocked_periods.php b/application/controllers/Blocked_periods.php
new file mode 100644
index 00000000..44092a04
--- /dev/null
+++ b/application/controllers/Blocked_periods.php
@@ -0,0 +1,235 @@
+<?php defined('BASEPATH') or exit('No direct script access allowed');
+
+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Online Appointment Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) Alex Tselegidis
+ * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        https://easyappointments.org
+ * @since       v1.0.0
+ * ---------------------------------------------------------------------------- */
+
+/**
+ * Blocked_periods controller.
+ *
+ * Handles the blocked-periods related operations.
+ *
+ * @package Controllers
+ */
+class Blocked_periods extends EA_Controller {
+    /**
+     * Blocked_periods constructor.
+     */
+    public function __construct()
+    {
+        parent::__construct();
+
+        $this->load->model('blocked_periods_model');
+        $this->load->model('roles_model');
+
+        $this->load->library('accounts');
+        $this->load->library('timezones');
+        $this->load->library('webhooks_client');
+    }
+
+    /**
+     * Render the backend blocked-periods page.
+     *
+     * On this page admin users will be able to manage blocked-periods, which are eventually selected by customers during the
+     * booking process.
+     */
+    public function index()
+    {
+        session(['dest_url' => site_url('blocked_periods')]);
+
+        $user_id = session('user_id');
+
+        if (cannot('view', PRIV_BLOCKED_PERIODS))
+        {
+            if ($user_id)
+            {
+                abort(403, 'Forbidden');
+            }
+
+            redirect('login');
+
+            return;
+        }
+
+        $role_slug = session('role_slug');
+
+        script_vars([
+            'user_id' => $user_id,
+            'role_slug' => $role_slug,
+        ]);
+
+        html_vars([
+            'page_title' => lang('blocked_periods'),
+            'active_menu' => PRIV_BLOCKED_PERIODS,
+            'user_display_name' => $this->accounts->get_user_display_name($user_id),
+            'timezones' => $this->timezones->to_array(),
+            'privileges' => $this->roles_model->get_permissions_by_slug($role_slug),
+        ]);
+
+        $this->load->view('pages/blocked_periods');
+    }
+
+    /**
+     * Filter blocked-periods by the provided keyword.
+     */
+    public function search()
+    {
+        try
+        {
+            if (cannot('view', PRIV_BLOCKED_PERIODS))
+            {
+                abort(403, 'Forbidden');
+            }
+
+            $keyword = request('keyword', '');
+
+            $order_by = 'update_datetime DESC';
+
+            $limit = request('limit', 1000);
+
+            $offset = 0;
+
+            $blocked_periods = $this->blocked_periods_model->search($keyword, $limit, $offset, $order_by);
+
+            json_response($blocked_periods);
+        }
+        catch (Throwable $e)
+        {
+            json_exception($e);
+        }
+    }
+
+    /**
+     * Store a new service-category.
+     */
+    public function store()
+    {
+        try
+        {
+            if (cannot('add', PRIV_BLOCKED_PERIODS))
+            {
+                abort(403, 'Forbidden');
+            }
+
+            $service_category = request('service_category');
+
+            $this->blocked_periods_model->only($service_category, [
+                'name',
+                'description'
+            ]);
+
+            $service_category_id = $this->blocked_periods_model->save($service_category);
+
+            $service_category = $this->blocked_periods_model->find($service_category_id);
+
+            $this->webhooks_client->trigger(WEBHOOK_SERVICE_CATEGORY_SAVE, $service_category);
+
+            json_response([
+                'success' => TRUE,
+                'id' => $service_category_id
+            ]);
+        }
+        catch (Throwable $e)
+        {
+            json_exception($e);
+        }
+    }
+
+    /**
+     * Update a service-category.
+     */
+    public function update()
+    {
+        try
+        {
+            if (cannot('edit', PRIV_BLOCKED_PERIODS))
+            {
+                abort(403, 'Forbidden');
+            }
+
+            $service_category = request('service_category');
+
+            $this->blocked_periods_model->only($service_category, [
+                'id',
+                'name',
+                'description'
+            ]);
+
+            $service_category_id = $this->blocked_periods_model->save($service_category);
+
+            $service_category = $this->blocked_periods_model->find($service_category_id);
+
+            $this->webhooks_client->trigger(WEBHOOK_SERVICE_CATEGORY_SAVE, $service_category);
+
+            json_response([
+                'success' => TRUE,
+                'id' => $service_category_id
+            ]);
+        }
+        catch (Throwable $e)
+        {
+            json_exception($e);
+        }
+    }
+
+    /**
+     * Remove a service-category.
+     */
+    public function destroy()
+    {
+        try
+        {
+            if (cannot('delete', PRIV_BLOCKED_PERIODS))
+            {
+                abort(403, 'Forbidden');
+            }
+
+            $service_category_id = request('service_category_id');
+
+            $service_category = $this->blocked_periods_model->find($service_category_id);
+
+            $this->blocked_periods_model->delete($service_category_id);
+
+            $this->webhooks_client->trigger(WEBHOOK_SERVICE_CATEGORY_DELETE, $service_category);
+
+            json_response([
+                'success' => TRUE,
+            ]);
+        }
+        catch (Throwable $e)
+        {
+            json_exception($e);
+        }
+    }
+
+    /**
+     * Find a service-category.
+     */
+    public function find()
+    {
+        try
+        {
+            if (cannot('view', PRIV_BLOCKED_PERIODS))
+            {
+                abort(403, 'Forbidden');
+            }
+
+            $service_category_id = request('service_category_id');
+
+            $service_category = $this->blocked_periods_model->find($service_category_id);
+
+            json_response($service_category);
+        }
+        catch (Throwable $e)
+        {
+            json_exception($e);
+        }
+    }
+}
diff --git a/application/core/EA_Controller.php b/application/core/EA_Controller.php
index 59cdf8d7..a7a568a6 100644
--- a/application/core/EA_Controller.php
+++ b/application/core/EA_Controller.php
@@ -52,6 +52,7 @@
  * @property Unavailabilities_model $unavailabilities_model
  * @property Users_model $users_model
  * @property Webhooks_model $webhooks_model
+ * @property Blocked_periods_model $blocked_periods_model
  *
  * @property Accounts $accounts
  * @property Api $api
diff --git a/application/language/arabic/translations_lang.php b/application/language/arabic/translations_lang.php
index 6980da69..85da6d77 100755
--- a/application/language/arabic/translations_lang.php
+++ b/application/language/arabic/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/bulgarian/translations_lang.php b/application/language/bulgarian/translations_lang.php
index 7504c73b..9af09eb0 100755
--- a/application/language/bulgarian/translations_lang.php
+++ b/application/language/bulgarian/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/catalan/translations_lang.php b/application/language/catalan/translations_lang.php
index 9ad5a04f..7114a37c 100644
--- a/application/language/catalan/translations_lang.php
+++ b/application/language/catalan/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/chinese/translations_lang.php b/application/language/chinese/translations_lang.php
index 880459f9..fb23ec6c 100755
--- a/application/language/chinese/translations_lang.php
+++ b/application/language/chinese/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/croatian/translations_lang.php b/application/language/croatian/translations_lang.php
index baba51bd..831ad323 100644
--- a/application/language/croatian/translations_lang.php
+++ b/application/language/croatian/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/czech/translations_lang.php b/application/language/czech/translations_lang.php
index e1ec07bb..7a10a28c 100644
--- a/application/language/czech/translations_lang.php
+++ b/application/language/czech/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/danish/translations_lang.php b/application/language/danish/translations_lang.php
index 079effbb..9d42f08c 100755
--- a/application/language/danish/translations_lang.php
+++ b/application/language/danish/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/dutch/translations_lang.php b/application/language/dutch/translations_lang.php
index 5b6d094f..890196bf 100755
--- a/application/language/dutch/translations_lang.php
+++ b/application/language/dutch/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/english/translations_lang.php b/application/language/english/translations_lang.php
index 680f6ecd..c793ad75 100755
--- a/application/language/english/translations_lang.php
+++ b/application/language/english/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/estonian/translations_lang.php b/application/language/estonian/translations_lang.php
index fae4cd18..5349a188 100644
--- a/application/language/estonian/translations_lang.php
+++ b/application/language/estonian/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/finnish/translations_lang.php b/application/language/finnish/translations_lang.php
index 6c164a7b..877e14d5 100755
--- a/application/language/finnish/translations_lang.php
+++ b/application/language/finnish/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/french/translations_lang.php b/application/language/french/translations_lang.php
index 0c3663ac..10863709 100755
--- a/application/language/french/translations_lang.php
+++ b/application/language/french/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/german/translations_lang.php b/application/language/german/translations_lang.php
index f1c57c36..2e8e8bd0 100755
--- a/application/language/german/translations_lang.php
+++ b/application/language/german/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/greek/translations_lang.php b/application/language/greek/translations_lang.php
index 21bc1ba5..eba704aa 100755
--- a/application/language/greek/translations_lang.php
+++ b/application/language/greek/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/hebrew/translations_lang.php b/application/language/hebrew/translations_lang.php
index dc0b90fa..8e676803 100644
--- a/application/language/hebrew/translations_lang.php
+++ b/application/language/hebrew/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/hindi/translations_lang.php b/application/language/hindi/translations_lang.php
index a6b64866..5ee9a83a 100755
--- a/application/language/hindi/translations_lang.php
+++ b/application/language/hindi/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/hungarian/translations_lang.php b/application/language/hungarian/translations_lang.php
index c0f5a5ef..a86af978 100755
--- a/application/language/hungarian/translations_lang.php
+++ b/application/language/hungarian/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/italian/translations_lang.php b/application/language/italian/translations_lang.php
index e47ca121..c681f35f 100755
--- a/application/language/italian/translations_lang.php
+++ b/application/language/italian/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/japanese/translations_lang.php b/application/language/japanese/translations_lang.php
index c68ef8a1..f58b0ee7 100755
--- a/application/language/japanese/translations_lang.php
+++ b/application/language/japanese/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/luxembourgish/translations_lang.php b/application/language/luxembourgish/translations_lang.php
index 999bc2ac..348fedca 100755
--- a/application/language/luxembourgish/translations_lang.php
+++ b/application/language/luxembourgish/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/marathi/translations_lang.php b/application/language/marathi/translations_lang.php
index e5640a72..53da1c04 100644
--- a/application/language/marathi/translations_lang.php
+++ b/application/language/marathi/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/persian/translations_lang.php b/application/language/persian/translations_lang.php
index ed189cf6..d22a3035 100644
--- a/application/language/persian/translations_lang.php
+++ b/application/language/persian/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/polish/translations_lang.php b/application/language/polish/translations_lang.php
index cc855ec0..4a358231 100755
--- a/application/language/polish/translations_lang.php
+++ b/application/language/polish/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/portuguese-br/translations_lang.php b/application/language/portuguese-br/translations_lang.php
index 0a3db192..613a54d6 100755
--- a/application/language/portuguese-br/translations_lang.php
+++ b/application/language/portuguese-br/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/portuguese/translations_lang.php b/application/language/portuguese/translations_lang.php
index 8383d129..4a62a0dd 100755
--- a/application/language/portuguese/translations_lang.php
+++ b/application/language/portuguese/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/romanian/translations_lang.php b/application/language/romanian/translations_lang.php
index d0614654..633c77e2 100755
--- a/application/language/romanian/translations_lang.php
+++ b/application/language/romanian/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/russian/translations_lang.php b/application/language/russian/translations_lang.php
index 0f5ea688..0a48556a 100644
--- a/application/language/russian/translations_lang.php
+++ b/application/language/russian/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/serbian/translations_lang.php b/application/language/serbian/translations_lang.php
index 78a93f24..26aee298 100644
--- a/application/language/serbian/translations_lang.php
+++ b/application/language/serbian/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/slovak/translations_lang.php b/application/language/slovak/translations_lang.php
index 546220ad..73202610 100755
--- a/application/language/slovak/translations_lang.php
+++ b/application/language/slovak/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/spanish/translations_lang.php b/application/language/spanish/translations_lang.php
index 9337da29..bdcd1d0c 100755
--- a/application/language/spanish/translations_lang.php
+++ b/application/language/spanish/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/swedish/translations_lang.php b/application/language/swedish/translations_lang.php
index 7cca2a17..a5796c3d 100644
--- a/application/language/swedish/translations_lang.php
+++ b/application/language/swedish/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/language/turkish/translations_lang.php b/application/language/turkish/translations_lang.php
index 6bf0fd6d..73dd8de9 100755
--- a/application/language/turkish/translations_lang.php
+++ b/application/language/turkish/translations_lang.php
@@ -438,4 +438,9 @@ $lang['make_non_working_day'] = 'This provider will not be available for work on
 $lang['no_breaks'] = 'No Breaks';
 $lang['service_categories'] = 'Service Categories';
 $lang['service_category'] = 'Service Category';
+$lang['blocked_period_saved'] = 'Blocked period saved successfully.';
+$lang['blocked_period_deleted'] = 'Blocked period deleted successfully.';
+$lang['delete_blocked_period'] = 'Delete Blocked Period';
+$lang['blocked_period'] = 'Blocked Period';
+$lang['blocked_periods'] = 'Blocked Periods';
 // End
diff --git a/application/migrations/045_drop_delete_datetime_column_from_all_tables.php b/application/migrations/045_drop_delete_datetime_column_from_all_tables.php
index c6b407b5..d3eb39f0 100644
--- a/application/migrations/045_drop_delete_datetime_column_from_all_tables.php
+++ b/application/migrations/045_drop_delete_datetime_column_from_all_tables.php
@@ -17,7 +17,7 @@ class Migration_Drop_delete_datetime_column_from_all_tables extends EA_Migration
      */
     protected $tables = [
         'appointments',
-        'categories',
+        'service_categories',
         'consents',
         'roles',
         'services',
diff --git a/application/migrations/045_revert_rename_service_categories_table_to_categories.php b/application/migrations/046_revert_rename_service_categories_table_to_categories.php
similarity index 100%
rename from application/migrations/045_revert_rename_service_categories_table_to_categories.php
rename to application/migrations/046_revert_rename_service_categories_table_to_categories.php
diff --git a/application/migrations/046_revert_rename_id_service_categories_column_of_services_table.php b/application/migrations/047_revert_rename_id_service_categories_column_of_services_table.php
similarity index 100%
rename from application/migrations/046_revert_rename_id_service_categories_column_of_services_table.php
rename to application/migrations/047_revert_rename_id_service_categories_column_of_services_table.php
diff --git a/application/migrations/048_create_blocked_periods_table.php b/application/migrations/048_create_blocked_periods_table.php
new file mode 100644
index 00000000..1c62d733
--- /dev/null
+++ b/application/migrations/048_create_blocked_periods_table.php
@@ -0,0 +1,71 @@
+<?php defined('BASEPATH') or exit('No direct script access allowed');
+
+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Online Appointment Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) Alex Tselegidis
+ * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        https://easyappointments.org
+ * @since       v1.4.0
+ * ---------------------------------------------------------------------------- */
+
+class Migration_Create_blocked_periods_table extends EA_Migration {
+    /**
+     * Upgrade method.
+     */
+    public function up()
+    {
+        if ( ! $this->db->table_exists('blocked_periods'))
+        {
+            $this->dbforge->add_field([
+                'id' => [
+                    'type' => 'INT',
+                    'constraint' => 11,
+                    'auto_increment' => TRUE
+                ],
+                'create_datetime' => [
+                    'type' => 'DATETIME',
+                    'null' => TRUE
+                ],
+                'update_datetime' => [
+                    'type' => 'DATETIME',
+                    'null' => TRUE
+                ],
+                'name' => [
+                    'type' => 'VARCHAR',
+                    'constraint' => '256',
+                    'null' => TRUE,
+                ],
+                'start_datetime' => [
+                    'type' => 'DATETIME',
+                    'null' => TRUE,
+                ],
+                'end_datetime' => [
+                    'type' => 'DATETIME',
+                    'null' => TRUE,
+                ],
+                'description' => [
+                    'type' => 'TEXT',
+                    'null' => TRUE,
+                ],
+            ]);
+
+            $this->dbforge->add_key('id', TRUE);
+
+            $this->dbforge->create_table('blocked_periods', TRUE, ['engine' => 'InnoDB']);
+        }
+    }
+
+    /**
+     * Downgrade method.
+     */
+    public function down()
+    {
+        if ($this->db->table_exists('blocked_periods'))
+        {
+            $this->dbforge->drop_table('blocked_periods');
+        }
+    }
+}
diff --git a/application/migrations/049_add_blocked_periods_column_to_roles_table.php b/application/migrations/049_add_blocked_periods_column_to_roles_table.php
new file mode 100644
index 00000000..62662df4
--- /dev/null
+++ b/application/migrations/049_add_blocked_periods_column_to_roles_table.php
@@ -0,0 +1,48 @@
+<?php defined('BASEPATH') or exit('No direct script access allowed');
+
+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Online Appointment Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) Alex Tselegidis
+ * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        https://easyappointments.org
+ * @since       v1.4.0
+ * ---------------------------------------------------------------------------- */
+
+class Migration_Add_blocked_periods_column_to_roles_table extends EA_Migration {
+    /**
+     * Upgrade method.
+     */
+    public function up()
+    {
+        if ( ! $this->db->field_exists('blocked_periods', 'roles'))
+        {
+            $fields = [
+                'blocked_periods' => [
+                    'type' => 'INT',
+                    'constraint' => '11',
+                    'null' => TRUE
+                ]
+            ];
+
+            $this->dbforge->add_column('roles', $fields);
+
+            $this->db->update('roles', ['blocked_periods' => '15'], ['slug' => 'admin']);
+
+            $this->db->update('roles', ['blocked_periods' => '0'], ['slug !=' => 'admin']);
+        }
+    }
+
+    /**
+     * Downgrade method.
+     */
+    public function down()
+    {
+        if ($this->db->field_exists('blocked_periods', 'roles'))
+        {
+            $this->dbforge->drop_column('roles', 'blocked_periods');
+        }
+    }
+}
diff --git a/application/models/Blocked_periods_model.php b/application/models/Blocked_periods_model.php
new file mode 100644
index 00000000..73089aad
--- /dev/null
+++ b/application/models/Blocked_periods_model.php
@@ -0,0 +1,357 @@
+<?php defined('BASEPATH') or exit('No direct script access allowed');
+
+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Online Appointment Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) Alex Tselegidis
+ * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        https://easyappointments.org
+ * @since       v1.0.0
+ * ---------------------------------------------------------------------------- */
+
+/**
+ * Blocked-Periods model.
+ *
+ * Handles all the database operations of the blocked-period resource.
+ *
+ * @package Models
+ */
+class Blocked_periods_model extends EA_Model {
+    /**
+     * @var array
+     */
+    protected array $casts = [
+        'id' => 'integer',
+    ];
+
+    /**
+     * @var array
+     */
+    protected array $api_resource = [
+        'id' => 'id',
+        'name' => 'name',
+        'start' => 'start_datetime',
+        'end' => 'end_datetime',
+        'description' => 'description',
+    ];
+
+    /**
+     * Save (insert or update) a blocked-period.
+     *
+     * @param array $blocked_period Associative array with the blocked-period data.
+     *
+     * @return int Returns the blocked-period ID.
+     *
+     * @throws InvalidArgumentException
+     */
+    public function save(array $blocked_period): int
+    {
+        $this->validate($blocked_period);
+
+        if (empty($blocked_period['id']))
+        {
+            return $this->insert($blocked_period);
+        }
+        else
+        {
+            return $this->update($blocked_period);
+        }
+    }
+
+    /**
+     * Validate the blocked-period data.
+     *
+     * @param array $blocked_period Associative array with the blocked-period data.
+     *
+     * @throws InvalidArgumentException
+     */
+    public function validate(array $blocked_period)
+    {
+        // If a blocked-period ID is provided then check whether the record really exists in the database.
+        if ( ! empty($blocked_period['id']))
+        {
+            $count = $this->db->get_where('blocked_periods', ['id' => $blocked_period['id']])->num_rows();
+
+            if ( ! $count)
+            {
+                throw new InvalidArgumentException('The provided blocked-period ID does not exist in the database: ' . $blocked_period['id']);
+            }
+        }
+
+        // Make sure all required fields are provided.
+        if (
+            empty($blocked_period['name'])
+        )
+        {
+            throw new InvalidArgumentException('Not all required fields are provided: ' . print_r($blocked_period, TRUE));
+        }
+    }
+
+    /**
+     * Insert a new blocked-period into the database.
+     *
+     * @param array $blocked_period Associative array with the blocked-period data.
+     *
+     * @return int Returns the blocked-period ID.
+     *
+     * @throws RuntimeException
+     */
+    protected function insert(array $blocked_period): int
+    {
+        $blocked_period['create_datetime'] = date('Y-m-d H:i:s');
+        $blocked_period['update_datetime'] = date('Y-m-d H:i:s');
+
+        if ( ! $this->db->insert('blocked_periods', $blocked_period))
+        {
+            throw new RuntimeException('Could not insert blocked-period.');
+        }
+
+        return $this->db->insert_id();
+    }
+
+    /**
+     * Update an existing blocked-period.
+     *
+     * @param array $blocked_period Associative array with the blocked-period data.
+     *
+     * @return int Returns the blocked-period ID.
+     *
+     * @throws RuntimeException
+     */
+    protected function update(array $blocked_period): int
+    {
+        $blocked_period['update_datetime'] = date('Y-m-d H:i:s');
+
+        if ( ! $this->db->update('blocked_periods', $blocked_period, ['id' => $blocked_period['id']]))
+        {
+            throw new RuntimeException('Could not update blocked periods.');
+        }
+
+        return $blocked_period['id'];
+    }
+
+    /**
+     * Remove an existing blocked-period from the database.
+     *
+     * @param int $blocked_period_id Blocked period ID.
+     *
+     * @throws RuntimeException
+     */
+    public function delete(int $blocked_period_id): void
+    {
+        $this->db->delete('blocked_periods', ['id' => $blocked_period_id]);
+    }
+
+    /**
+     * Get a specific blocked-period from the database.
+     *
+     * @param int $blocked_period_id The ID of the record to be returned.
+     *
+     * @return array Returns an array with the blocked-period data.
+     *
+     * @throws InvalidArgumentException
+     */
+    public function find(int $blocked_period_id): array
+    {
+        $blocked_period = $this->db->get_where('blocked_periods', ['id' => $blocked_period_id])->row_array();
+
+        if ( ! $blocked_period)
+        {
+            throw new InvalidArgumentException('The provided blocked-period ID was not found in the database: ' . $blocked_period_id);
+        }
+
+        $this->cast($blocked_period);
+
+        return $blocked_period;
+    }
+
+    /**
+     * Get a specific field value from the database.
+     *
+     * @param int $blocked_period_id Blocked period ID.
+     * @param string $field Name of the value to be returned.
+     *
+     * @return mixed Returns the selected blocked-period value from the database.
+     *
+     * @throws InvalidArgumentException
+     */
+    public function value(int $blocked_period_id, string $field): mixed
+    {
+        if (empty($field))
+        {
+            throw new InvalidArgumentException('The field argument is cannot be empty.');
+        }
+
+        if (empty($blocked_period_id))
+        {
+            throw new InvalidArgumentException('The blocked-period ID argument cannot be empty.');
+        }
+
+        // Check whether the service exists.
+        $query = $this->db->get_where('blocked_periods', ['id' => $blocked_period_id]);
+
+        if ( ! $query->num_rows())
+        {
+            throw new InvalidArgumentException('The provided blocked-period ID was not found in the database: ' . $blocked_period_id);
+        }
+
+        // Check if the required field is part of the blocked-period data.
+        $blocked_period = $query->row_array();
+
+        $this->cast($blocked_period);
+
+        if ( ! array_key_exists($field, $blocked_period))
+        {
+            throw new InvalidArgumentException('The requested field was not found in the blocked-period data: ' . $field);
+        }
+
+        return $blocked_period[$field];
+    }
+
+    /**
+     * Get all services that match the provided criteria.
+     *
+     * @param array|string|null $where Where conditions
+     * @param int|null $limit Record limit.
+     * @param int|null $offset Record offset.
+     * @param string|null $order_by Order by.
+     *
+     * @return array Returns an array of blocked periods.
+     */
+    public function get(array|string $where = NULL, int $limit = NULL, int $offset = NULL, string $order_by = NULL): array
+    {
+        if ($where !== NULL)
+        {
+            $this->db->where($where);
+        }
+
+        if ($order_by !== NULL)
+        {
+            $this->db->order_by($order_by);
+        }
+
+        $blocked_periods = $this->db->get('blocked_periods', $limit, $offset)->result_array();
+
+        foreach ($blocked_periods as &$blocked_period)
+        {
+            $this->cast($blocked_period);
+        }
+
+        return $blocked_periods;
+    }
+
+    /**
+     * Get the query builder interface, configured for use with the blocked periods table.
+     *
+     * @return CI_DB_query_builder
+     */
+    public function query(): CI_DB_query_builder
+    {
+        return $this->db->from('blocked_periods');
+    }
+
+    /**
+     * Search blocked periods by the provided keyword.
+     *
+     * @param string $keyword Search keyword.
+     * @param int|null $limit Record limit.
+     * @param int|null $offset Record offset.
+     * @param string|null $order_by Order by.
+     *
+     * @return array Returns an array of blocked periods.
+     */
+    public function search(string $keyword, int $limit = NULL, int $offset = NULL, string $order_by = NULL): array
+    {
+        $blocked_periods = $this
+            ->db
+            ->select()
+            ->from('blocked_periods')
+            ->group_start()
+            ->like('name', $keyword)
+            ->or_like('description', $keyword)
+            ->group_end()
+            ->limit($limit)
+            ->offset($offset)
+            ->order_by($order_by)
+            ->get()
+            ->result_array();
+
+        foreach ($blocked_periods as &$blocked_period)
+        {
+            $this->cast($blocked_period);
+        }
+
+        return $blocked_periods;
+    }
+
+    /**
+     * Load related resources to a blocked-period.
+     *
+     * @param array $blocked_period Associative array with the blocked-period data.
+     * @param array $resources Resource names to be attached.
+     *
+     * @throws InvalidArgumentException
+     */
+    public function load(array &$blocked_period, array $resources)
+    {
+        // Blocked periods do not currently have any related resources. 
+    }
+
+    /**
+     * Convert the database blocked-period record to the equivalent API resource.
+     *
+     * @param array $blocked_period Blocked period data.
+     */
+    public function api_encode(array &$blocked_period)
+    {
+        $encoded_resource = [
+            'id' => array_key_exists('id', $blocked_period) ? (int)$blocked_period['id'] : NULL,
+            'name' => $blocked_period['name'],
+            'start' => array_key_exists('start_datetime', $blocked_period) ? $blocked_period['start_datetime'] : NULL,
+            'end' => array_key_exists('end_datetime', $blocked_period) ? $blocked_period['end_datetime'] : NULL,
+            'description' => array_key_exists('description', $blocked_period) ? $blocked_period['description'] : NULL
+        ];
+
+        $blocked_period = $encoded_resource;
+    }
+
+    /**
+     * Convert the API resource to the equivalent database blocked-period record.
+     *
+     * @param array $blocked_period API resource.
+     * @param array|null $base Base blocked-period data to be overwritten with the provided values (useful for updates).
+     */
+    public function api_decode(array &$blocked_period, array $base = NULL)
+    {
+        $decoded_resource = $base ?: [];
+
+        if (array_key_exists('id', $blocked_period))
+        {
+            $decoded_resource['id'] = $blocked_period['id'];
+        }
+
+        if (array_key_exists('name', $blocked_period))
+        {
+            $decoded_resource['name'] = $blocked_period['name'];
+        }
+
+        if (array_key_exists('start', $blocked_period))
+        {
+            $decoded_resource['start_datetime'] = $blocked_period['start'];
+        }
+
+        if (array_key_exists('end', $blocked_period))
+        {
+            $decoded_resource['end_datetime'] = $blocked_period['end'];
+        }
+
+        if (array_key_exists('description', $blocked_period))
+        {
+            $decoded_resource['description'] = $blocked_period['description'];
+        }
+
+        $blocked_period = $decoded_resource;
+    }
+}
diff --git a/application/views/pages/blocked_periods.php b/application/views/pages/blocked_periods.php
new file mode 100644
index 00000000..83162c96
--- /dev/null
+++ b/application/views/pages/blocked_periods.php
@@ -0,0 +1,110 @@
+<?php extend('layouts/backend_layout') ?>
+
+<?php section('content') ?>
+
+<div class="container-fluid backend-page" id="blocked-periods-page">
+
+    <div class="row" id="blocked-periods">
+        <div id="filter-blocked-periods" class="filter-records column col-12 col-md-5">
+            <form class="input-append mb-4">
+                <div class="input-group">
+                    <input type="text" class="key form-control" aria-label="keyword">
+
+                    <button class="filter btn btn-outline-secondary" type="submit"
+                            data-tippy-content="<?= lang('filter') ?>">
+                        <i class="fas fa-search"></i>
+                    </button>
+                </div>
+            </form>
+
+            <h4 class="text-black-50 mb-3 fw-light">
+                <?= lang('blocked_periods') ?>
+            </h4>
+
+            <div class="results">
+                <!-- JS -->
+            </div>
+        </div>
+
+        <div class="record-details col-12 col-md-5">
+            <div class="btn-toolbar mb-4">
+                <div class="add-edit-delete-group btn-group">
+                    <button id="add-blocked-period" class="btn btn-primary">
+                        <i class="fas fa-plus-square me-2"></i>
+                        <?= lang('add') ?>
+                    </button>
+                    <button id="edit-blocked-period" class="btn btn-outline-secondary" disabled="disabled">
+                        <i class="fas fa-edit me-2"></i>
+                        <?= lang('edit') ?>
+                    </button>
+                    <button id="delete-blocked-period" class="btn btn-outline-secondary" disabled="disabled">
+                        <i class="fas fa-trash-alt me-2"></i>
+                        <?= lang('delete') ?>
+                    </button>
+                </div>
+
+                <div class="save-cancel-group" style="display:none;">
+                    <button id="save-blocked-period" class="btn btn-primary">
+                        <i class="fas fa-check-square me-2"></i>
+                        <?= lang('save') ?>
+                    </button>
+                    <button id="cancel-blocked-period" class="btn btn-secondary">
+                        <?= lang('cancel') ?>
+                    </button>
+                </div>
+            </div>
+
+            <h4 class="text-black-50 mb-3 fw-light">
+                <?= lang('details') ?>
+            </h4>
+
+            <div class="form-message alert" style="display:none;"></div>
+
+            <input type="hidden" id="id">
+
+            <div class="mb-3">
+                <label class="form-label" for="name">
+                    <?= lang('name') ?>
+                    <span class="text-danger" hidden>*</span>
+                </label>
+                <input id="name" class="form-control required" disabled>
+            </div>
+
+            <div class="mb-3">
+                <label class="form-label" for="start-datetime">
+                    <?= lang('start') ?>
+                    <span class="text-danger" hidden>*</span>
+                </label>
+                <input id="start-datetime" class="form-control required" disabled>
+            </div>
+
+            <div class="mb-3">
+                <label class="form-label" for="end-datetime">
+                    <?= lang('end') ?>
+                    <span class="text-danger" hidden>*</span>
+                </label>
+                <input id="end-datetime" class="form-control required" disabled>
+            </div>
+
+            <div class="mb-3">
+                <label class="form-label" for="description">
+                    <?= lang('description') ?>
+                </label>
+                <textarea id="description" rows="4" class="form-control" disabled></textarea>
+            </div>
+        </div>
+    </div>
+
+</div>
+
+<?php end_section('content') ?>
+
+<?php section('scripts') ?>
+
+<script src="<?= asset_url('assets/js/utils/message.js') ?>"></script>
+<script src="<?= asset_url('assets/js/utils/validation.js') ?>"></script>
+<script src="<?= asset_url('assets/js/utils/url.js') ?>"></script>
+<script src="<?= asset_url('assets/js/http/blocked_periods_http_client.js') ?>"></script>
+<script src="<?= asset_url('assets/js/pages/blocked_periods.js') ?>"></script>
+
+<?php end_section('scripts') ?>
diff --git a/assets/js/http/blocked_periods_http_client.js b/assets/js/http/blocked_periods_http_client.js
new file mode 100644
index 00000000..48421c02
--- /dev/null
+++ b/assets/js/http/blocked_periods_http_client.js
@@ -0,0 +1,133 @@
+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Online Appointment Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) Alex Tselegidis
+ * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        https://easyappointments.org
+ * @since       v1.5.0
+ * ---------------------------------------------------------------------------- */
+
+/**
+ * Blocked-periods HTTP client.
+ *
+ * This module implements the blocked-periods related HTTP requests.
+ */
+App.Http.BlockedPeriods = (function () {
+    /**
+     * Save (create or update) a blocked-period.
+     *
+     * @param {Object} blockedPeriod
+     *
+     * @return {Object}
+     */
+    function save(blockedPeriod) {
+        return blockedPeriod.id ? update(blockedPeriod) : store(blockedPeriod);
+    }
+
+    /**
+     * Create a blocked-period.
+     *
+     * @param {Object} blockedPeriod
+     *
+     * @return {Object}
+     */
+    function store(blockedPeriod) {
+        const url = App.Utils.Url.siteUrl('blocked_periods/store');
+
+        const data = {
+            csrf_token: vars('csrf_token'),
+            blocked_period: blockedPeriod
+        };
+
+        return $.post(url, data);
+    }
+
+    /**
+     * Update a blocked-period.
+     *
+     * @param {Object} blockedPeriod
+     *
+     * @return {Object}
+     */
+    function update(blockedPeriod) {
+        const url = App.Utils.Url.siteUrl('blocked_periods/update');
+
+        const data = {
+            csrf_token: vars('csrf_token'),
+            blocked_period: blockedPeriod
+        };
+
+        return $.post(url, data);
+    }
+
+    /**
+     * Delete a blocked-period.
+     *
+     * @param {Number} blockedPeriodId
+     *
+     * @return {Object}
+     */
+    function destroy(blockedPeriodId) {
+        const url = App.Utils.Url.siteUrl('blocked_periods/destroy');
+
+        const data = {
+            csrf_token: vars('csrf_token'),
+            blocked_period_id: blockedPeriodId
+        };
+
+        return $.post(url, data);
+    }
+
+    /**
+     * Search blocked-periods by keyword.
+     *
+     * @param {String} keyword
+     * @param {Number} [limit]
+     * @param {Number} [offset]
+     * @param {String} [orderBy]
+     *
+     * @return {Object}
+     */
+        function search(keyword, limit = null, offset = null, orderBy = null) {
+        const url = App.Utils.Url.siteUrl('blocked_periods/search');
+
+        const data = {
+            csrf_token: vars('csrf_token'),
+            keyword,
+            limit,
+            offset,
+            order_by: orderBy
+        };
+
+        return $.post(url, data);
+    }
+
+    /**
+     * Find a blocked-period.
+     *
+     * @param {Number} blockedPeriodId
+     *
+     * @return {Object}
+     */
+    function find(blockedPeriodId) {
+        const url = App.Utils.Url.siteUrl('blocked_periods/find');
+
+        const data = {
+            csrf_token: vars('csrf_token'),
+            blocked_period_id: blockedPeriodId
+        };
+
+        return $.post(url, data);
+    }
+
+    return {
+        save,
+        store,
+        update,
+        destroy,
+        search,
+        find
+    };
+})();
diff --git a/assets/js/pages/blocked_periods.js b/assets/js/pages/blocked_periods.js
new file mode 100644
index 00000000..693fdc31
--- /dev/null
+++ b/assets/js/pages/blocked_periods.js
@@ -0,0 +1,337 @@
+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Online Appointment Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) Alex Tselegidis
+ * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        https://easyappointments.org
+ * @since       v1.5.0
+ * ---------------------------------------------------------------------------- */
+
+/**
+ * Blocked-periods page.
+ *
+ * This module implements the functionality of the blocked-periods page.
+ */
+App.Pages.BlockedPeriods = (function () {
+    const $blockedPeriods = $('#blocked-periods');
+    const $filterBlockedPeriods = $('#filter-blocked-periods');
+    const $id = $('#id');
+    const $name = $('#name');
+    const $description = $('#description');
+    let filterResults = {};
+    let filterLimit = 20;
+
+    /**
+     * Add the page event listeners.
+     */
+    function addEventListeners() {
+        /**
+         * Event: Filter Blocked Periods Form "Submit"
+         *
+         * @param {jQuery.Event} event
+         */
+        $blockedPeriods.on('submit', '#filter-blocked-periods form', (event) => {
+            event.preventDefault();
+            const key = $('#filter-blocked-periods .key').val();
+            $('.selected').removeClass('selected');
+            resetForm();
+            filter(key);
+        });
+
+        /**
+         * Event: Filter Blocked-Periods Row "Click"
+         *
+         * Displays the selected row data on the right side of the page.
+         *
+         * @param {jQuery.Event} event
+         */
+        $blockedPeriods.on('click', '.blocked-period-row', (event) => {
+            if ($('#filter-blocked-periods .filter').prop('disabled')) {
+                $('#filter-blocked-periods .results').css('color', '#AAA');
+                return; // exit because we are on edit mode
+            }
+
+            const blockedPeriodId = $(event.currentTarget).attr('data-id');
+
+            const blockedPeriod = filterResults.find((filterResult) => Number(filterResult.id) === Number(blockedPeriodId));
+
+            display(blockedPeriod);
+            $('#filter-blocked-periods .selected').removeClass('selected');
+            $(event.currentTarget).addClass('selected');
+            $('#edit-blocked-period, #delete-blocked-period').prop('disabled', false);
+        });
+
+        /**
+         * Event: Add Blocked-Period Button "Click"
+         */
+        $blockedPeriods.on('click', '#add-blocked-period', () => {
+            resetForm();
+            $blockedPeriods.find('.add-edit-delete-group').hide();
+            $blockedPeriods.find('.save-cancel-group').show();
+            $blockedPeriods.find('.record-details').find('input, select, textarea').prop('disabled', false);
+            $blockedPeriods.find('.record-details .form-label span').prop('hidden', false);
+            $filterBlockedPeriods.find('button').prop('disabled', true);
+            $filterBlockedPeriods.find('.results').css('color', '#AAA');
+        });
+
+        /**
+         * Event: Edit Blocked-Period Button "Click"
+         */
+        $blockedPeriods.on('click', '#edit-blocked-period', () => {
+            $blockedPeriods.find('.add-edit-delete-group').hide();
+            $blockedPeriods.find('.save-cancel-group').show();
+            $blockedPeriods.find('.record-details').find('input, select, textarea').prop('disabled', false);
+            $blockedPeriods.find('.record-details .form-label span').prop('hidden', false);
+            $filterBlockedPeriods.find('button').prop('disabled', true);
+            $filterBlockedPeriods.find('.results').css('color', '#AAA');
+        });
+
+        /**
+         * Event: Delete Blocked-Period Button "Click"
+         */
+        $blockedPeriods.on('click', '#delete-blocked-period', () => {
+            const blockedPeriodId = $id.val();
+
+            const buttons = [
+                {
+                    text: lang('cancel'),
+                    click: (event, messageModal) => {
+                        messageModal.dispose();
+                    }
+                },
+                {
+                    text: lang('delete'),
+                    click: (event, messageModal) => {
+                        remove(blockedPeriodId);
+                        messageModal.dispose();
+                    }
+                }
+            ];
+
+            App.Utils.Message.show(lang('delete_blocked_period'), lang('delete_record_prompt'), buttons);
+        });
+
+        /**
+         * Event: Blocked period Save Button "Click"
+         */
+        $blockedPeriods.on('click', '#save-blocked-period', () => {
+            const blockedPeriod = {
+                name: $name.val(),
+                description: $description.val()
+            };
+
+            if ($id.val() !== '') {
+                blockedPeriod.id = $id.val();
+            }
+
+            if (!validate()) {
+                return;
+            }
+
+            save(blockedPeriod);
+        });
+
+        /**
+         * Event: Cancel Blocked-Period Button "Click"
+         */
+        $blockedPeriods.on('click', '#cancel-blocked-period', () => {
+            const id = $id.val();
+            resetForm();
+            if (id !== '') {
+                select(id, true);
+            }
+        });
+    }
+
+    /**
+     * Filter blocked periods records.
+     *
+     * @param {String} keyword This key string is used to filter the blocked-period records.
+     * @param {Number} selectId Optional, if set then after the filter operation the record with the given ID will be 
+     * selected (but not displayed).
+     * @param {Boolean} show Optional (false), if true then the selected record will be displayed on the form.
+     */
+    function filter(keyword, selectId = null, show = false) {
+        App.Http.BlockedPeriods.search(keyword, filterLimit).then((response) => {
+            filterResults = response;
+
+            $('#filter-blocked-periods .results').empty();
+
+            response.forEach((blockedPeriod) => {
+                $('#filter-blocked-periods .results').append(getFilterHtml(blockedPeriod)).append($('<hr/>'));
+            });
+
+            if (response.length === 0) {
+                $('#filter-blocked-periods .results').append(
+                    $('<em/>', {
+                        'text': lang('no_records_found')
+                    })
+                );
+            } else if (response.length === filterLimit) {
+                $('<button/>', {
+                    'type': 'button',
+                    'class': 'btn btn-outline-secondary w-100 load-more text-center',
+                    'text': lang('load_more'),
+                    'click': () => {
+                        filterLimit += 20;
+                        filter(keyword, selectId, show);
+                    }
+                }).appendTo('#filter-blocked-periods .results');
+            }
+
+            if (selectId) {
+                select(selectId, show);
+            }
+        });
+    }
+
+    /**
+     * Save a blocked-period record to the database (via AJAX post).
+     *
+     * @param {Object} blockedPeriod Contains the blocked-period data.
+     */
+    function save(blockedPeriod) {
+        App.Http.BlockedPeriods.save(blockedPeriod).then((response) => {
+            App.Layouts.Backend.displayNotification(lang('blocked_period_saved'));
+            resetForm();
+            $filterBlockedPeriods.find('.key').val('');
+            filter('', response.id, true);
+        });
+    }
+
+    /**
+     * Delete blocked-period record.
+     *
+     * @param {Number} id Record ID to be deleted.
+     */
+    function remove(id) {
+        App.Http.BlockedPeriods.destroy(id).then(() => {
+            App.Layouts.Backend.displayNotification(lang('blocked_period_deleted'));
+            resetForm();
+            filter($('#filter-blocked-periods .key').val());
+        });
+    }
+
+    /**
+     * Display a blocked-period record on the form.
+     *
+     * @param {Object} blockedPeriod Contains the blocked-period data.
+     */
+    function display(blockedPeriod) {
+        $id.val(blockedPeriod.id);
+        $name.val(blockedPeriod.name);
+        $description.val(blockedPeriod.description);
+    }
+
+    /**
+     * Validate blocked-period data before save (insert or update).
+     *
+     * @return {Boolean} Returns the validation result.
+     */
+    function validate() {
+        $blockedPeriods.find('.is-invalid').removeClass('is-invalid');
+        $blockedPeriods.find('.form-message').removeClass('alert-danger').hide();
+
+        try {
+            let missingRequired = false;
+
+            $blockedPeriods.find('.required').each((index, fieldEl) => {
+                if (!$(fieldEl).val()) {
+                    $(fieldEl).addClass('is-invalid');
+                    missingRequired = true;
+                }
+            });
+
+            if (missingRequired) {
+                throw new Error(lang('fields_are_required'));
+            }
+
+            return true;
+        } catch (error) {
+            $blockedPeriods.find('.form-message').addClass('alert-danger').text(error.message).show();
+            return false;
+        }
+    }
+
+    /**
+     * Bring the blocked-period form back to its initial state.
+     */
+    function resetForm() {
+        $filterBlockedPeriods.find('.selected').removeClass('selected');
+        $filterBlockedPeriods.find('button').prop('disabled', false);
+        $filterBlockedPeriods.find('.results').css('color', '');
+
+        $blockedPeriods.find('.add-edit-delete-group').show();
+        $blockedPeriods.find('.save-cancel-group').hide();
+        $blockedPeriods.find('.record-details').find('input, select, textarea').val('').prop('disabled', true);
+        $blockedPeriods.find('.record-details .form-label span').prop('hidden', true);
+        $('#edit-blocked-period, #delete-blocked-period').prop('disabled', true);
+
+        $blockedPeriods.find('.record-details .is-invalid').removeClass('is-invalid');
+        $blockedPeriods.find('.record-details .form-message').hide();
+    }
+
+    /**
+     * Get the filter results row HTML code.
+     *
+     * @param {Object} blockedPeriod Contains the blocked-period data.
+     *
+     * @return {String} Returns the record HTML code.
+     */
+    function getFilterHtml(blockedPeriod) {
+        return $('<div/>', {
+            'class': 'blocked-period-row entry',
+            'data-id': blockedPeriod.id,
+            'html': [
+                $('<strong/>', {
+                    'text': blockedPeriod.name
+                }),
+                $('<br/>')
+            ]
+        });
+    }
+
+    /**
+     * Select a specific record from the current filter results.
+     *
+     * If the blocked-period ID does not exist in the list then no record will be selected.
+     *
+     * @param {Number} id The record ID to be selected from the filter results.
+     * @param {Boolean} show Optional (false), if true then the method will display the record on the form.
+     */
+    function select(id, show = false) {
+        $filterBlockedPeriods.find('.selected').removeClass('selected');
+
+        $filterBlockedPeriods.find('.blocked-period-row[data-id="' + id + '"]').addClass('selected');
+
+        if (show) {
+            const blockedPeriod = filterResults.find((blockedPeriod) => Number(blockedPeriod.id) === Number(id));
+
+            display(blockedPeriod);
+
+            $('#edit-blocked-period, #delete-blocked-period').prop('disabled', false);
+        }
+    }
+
+    /**
+     * Initialize the module.
+     */
+    function initialize() {
+        resetForm();
+        filter('');
+        addEventListeners();
+    }
+
+    document.addEventListener('DOMContentLoaded', initialize);
+
+    return {
+        filter,
+        save,
+        remove,
+        getFilterHtml,
+        resetForm,
+        select
+    };
+})();