diff --git a/application/views/backend/customers.php b/application/views/backend/customers.php
index 0d3bcd71..f4109f24 100755
--- a/application/views/backend/customers.php
+++ b/application/views/backend/customers.php
@@ -130,6 +130,11 @@
                         <input id="zip-code" class="form-control">
                     </div>
 
+                    <div class="form-group">
+                        <label for="timezone"><?= lang('timezone') ?></label>
+                        <?= render_timezone_dropdown('id="timezone" class="form-control"') ?>
+                    </div>
+
                     <div class="form-group">
                         <label class="control-label" for="notes"><?= lang('notes') ?></label>
                         <textarea id="notes" rows="4" class="form-control"></textarea>
diff --git a/application/views/backend/users.php b/application/views/backend/users.php
index 0256b594..0bde3849 100755
--- a/application/views/backend/users.php
+++ b/application/views/backend/users.php
@@ -181,6 +181,11 @@
                                     <input type="password" id="provider-password-confirm" class="form-control required" maxlength="512">
                                 </div>
 
+                                <div class="form-group">
+                                    <label for="provider-timezone"><?= lang('timezone') ?></label>
+                                    <?= render_timezone_dropdown('id="provider-timezone" class="form-control"') ?>
+                                </div>
+
                                 <div class="form-group">
                                     <label for="provider-calendar-view"><?= lang('calendar') ?> *</label>
                                     <select id="provider-calendar-view" class="form-control required">
@@ -413,6 +418,11 @@
                                 <input type="password" id="secretary-password-confirm" class="form-control required" maxlength="512">
                             </div>
 
+                            <div class="form-group">
+                                <label for="secretary-timezone"><?= lang('timezone') ?></label>
+                                <?= render_timezone_dropdown('id="secretary-timezone" class="form-control"') ?>
+                            </div>
+
                             <div class="form-group">
                                 <label for="secretary-calendar-view"><?= lang('calendar') ?> *</label>
                                 <select id="secretary-calendar-view" class="form-control required">
@@ -568,6 +578,11 @@
                                 <input type="password" id="admin-password-confirm" class="form-control required" maxlength="512">
                             </div>
 
+                            <div class="form-group">
+                                <label for="admin-timezone"><?= lang('timezone') ?></label>
+                                <?= render_timezone_dropdown('id="admin-timezone" class="form-control"') ?>
+                            </div>
+
                             <div class="form-group">
                                 <label for="admin-calendar-view"><?= lang('calendar') ?> *</label>
                                 <select id="admin-calendar-view" class="form-control required">
diff --git a/assets/js/backend_customers_helper.js b/assets/js/backend_customers_helper.js
index 25b76c5a..835fac74 100644
--- a/assets/js/backend_customers_helper.js
+++ b/assets/js/backend_customers_helper.js
@@ -151,7 +151,8 @@
                 address: $('#address').val(),
                 city: $('#city').val(),
                 zip_code: $('#zip-code').val(),
-                notes: $('#notes').val()
+                notes: $('#notes').val(),
+                timezone: $('#timezone').val()
             };
 
             if ($('#customer-id').val() != '') {
@@ -314,6 +315,7 @@
         $('#city').val(customer.city);
         $('#zip-code').val(customer.zip_code);
         $('#notes').val(customer.notes);
+        $('#timezone').val(customer.timezone);
 
         $('#customer-appointments').empty();
         $.each(customer.appointments, function (index, appointment) {
diff --git a/assets/js/backend_users_admins.js b/assets/js/backend_users_admins.js
index a758c177..8388295e 100644
--- a/assets/js/backend_users_admins.js
+++ b/assets/js/backend_users_admins.js
@@ -147,6 +147,7 @@
                 state: $('#admin-state').val(),
                 zip_code: $('#admin-zip-code').val(),
                 notes: $('#admin-notes').val(),
+                timezone: $('#admin-timezone').val(),
                 settings: {
                     username: $('#admin-username').val(),
                     notifications: $('#admin-notifications').hasClass('active'),
@@ -324,6 +325,7 @@
         $('#admin-state').val(admin.state);
         $('#admin-zip-code').val(admin.zip_code);
         $('#admin-notes').val(admin.notes);
+        $('#admin-timezone').val(admin.timezone);
 
         $('#admin-username').val(admin.settings.username);
         $('#admin-calendar-view').val(admin.settings.calendar_view);
diff --git a/assets/js/backend_users_providers.js b/assets/js/backend_users_providers.js
index e495af24..826ea3dc 100755
--- a/assets/js/backend_users_providers.js
+++ b/assets/js/backend_users_providers.js
@@ -159,6 +159,7 @@
                 state: $('#provider-state').val(),
                 zip_code: $('#provider-zip-code').val(),
                 notes: $('#provider-notes').val(),
+                timezone: $('#provider-timezone').val(),
                 settings: {
                     username: $('#provider-username').val(),
                     working_plan: JSON.stringify(BackendUsers.wp.get()),
@@ -391,6 +392,7 @@
         $('#provider-state').val(provider.state);
         $('#provider-zip-code').val(provider.zip_code);
         $('#provider-notes').val(provider.notes);
+        $('#provider-timezone').val(provider.timezone);
 
         $('#provider-username').val(provider.settings.username);
         $('#provider-calendar-view').val(provider.settings.calendar_view);
diff --git a/assets/js/backend_users_secretaries.js b/assets/js/backend_users_secretaries.js
index 686eda31..bf63e4e6 100644
--- a/assets/js/backend_users_secretaries.js
+++ b/assets/js/backend_users_secretaries.js
@@ -152,6 +152,7 @@
                 state: $('#secretary-state').val(),
                 zip_code: $('#secretary-zip-code').val(),
                 notes: $('#secretary-notes').val(),
+                timezone: $('#secretary-timezone').val(),
                 settings: {
                     username: $('#secretary-username').val(),
                     notifications: $('#secretary-notifications').hasClass('active'),
@@ -340,6 +341,7 @@
         $('#secretary-state').val(secretary.state);
         $('#secretary-zip-code').val(secretary.zip_code);
         $('#secretary-notes').val(secretary.notes);
+        $('#secretary-timezone').val(secretary.timezone);
 
         $('#secretary-username').val(secretary.settings.username);
         $('#secretary-calendar-view').val(secretary.settings.calendar_view);