diff --git a/addons/resource/models/resource.py b/addons/resource/models/resource.py
index 0aeb179cf0b..787b224b711 100644
--- a/addons/resource/models/resource.py
+++ b/addons/resource/models/resource.py
@@ -210,6 +210,7 @@ class ResourceCalendar(models.Model):
         _tz_get, string='Timezone', required=True,
         default=lambda self: self._context.get('tz') or self.env.user.tz or 'UTC',
         help="This field is used in order to define in which timezone the resources will work.")
+    tz_offset = fields.Char(compute='_compute_tz_offset', string='Timezone offset', invisible=True)
     two_weeks_calendar = fields.Boolean(string="Calendar in 2 weeks mode")
     two_weeks_explanation = fields.Char('Explanation', compute="_compute_two_weeks_explanation")
 
@@ -233,6 +234,11 @@ class ResourceCalendar(models.Model):
                     (0, 0, leave._copy_leave_vals()) for leave in calendar.company_id.resource_calendar_id.global_leave_ids]
             })
 
+    @api.depends('tz')
+    def _compute_tz_offset(self):
+        for calendar in self:
+            calendar.tz_offset = datetime.now(timezone(calendar.tz or 'GMT')).strftime('%z')
+
     @api.returns('self', lambda value: value.id)
     def copy(self, default=None):
         self.ensure_one()
diff --git a/addons/resource/views/resource_views.xml b/addons/resource/views/resource_views.xml
index 37ee603f0b2..e1663012686 100644
--- a/addons/resource/views/resource_views.xml
+++ b/addons/resource/views/resource_views.xml
@@ -277,7 +277,8 @@
                             <field name="active" invisible="1"/>
                             <field name="company_id" groups="base.group_multi_company"/>
                             <field name="hours_per_day" widget="float_time"/>
-                            <field name="tz"/>
+                            <field name="tz" widget="timezone_mismatch" options="{'tz_offset_field': 'tz_offset', 'mismatch_title': 'Timezone Mismatch : This timezone is different from that of your browser.\nPlease, be mindful of this when setting the working hours or the time off.'}" />
+                            <field name="tz_offset" invisible="1"/>
                         </group>
                     </group>
                     <notebook>
diff --git a/addons/web/static/src/legacy/js/fields/special_fields.js b/addons/web/static/src/legacy/js/fields/special_fields.js
index 52ef6d513f7..1e4948c232b 100644
--- a/addons/web/static/src/legacy/js/fields/special_fields.js
+++ b/addons/web/static/src/legacy/js/fields/special_fields.js
@@ -93,7 +93,12 @@ var FieldTimezoneMismatch = FieldSelection.extend({
 
         if (this.mismatch){
             $span.insertAfter(this.$el);
-            $span.attr('title', _t("Timezone Mismatch : This timezone is different from that of your browser.\nPlease, set the same timezone as your browser's to avoid time discrepancies in your system."));
+            if (this.nodeOptions.mismatch_title) {
+                $span.attr('title', this.nodeOptions.mismatch_title);    
+            }
+            else {
+                $span.attr('title', _t("Timezone Mismatch : This timezone is different from that of your browser.\nPlease, set the same timezone as your browser's to avoid time discrepancies in your system."));
+            }
             this.$el = this.$el.add($span);
 
             this.$option = this.$('option').filter(function () {