diff --git a/addons/calendar/models/calendar.py b/addons/calendar/models/calendar.py
index 981fef73c3b..2febffdf578 100644
--- a/addons/calendar/models/calendar.py
+++ b/addons/calendar/models/calendar.py
@@ -17,6 +17,7 @@ import uuid
 
 from odoo import api, fields, models
 from odoo import tools
+from odoo.addons.base.models.res_partner import _tz_get
 from odoo.osv import expression
 from odoo.tools.translate import _
 from odoo.tools import DEFAULT_SERVER_DATE_FORMAT, DEFAULT_SERVER_DATETIME_FORMAT, pycompat
@@ -599,7 +600,7 @@ class Meeting(models.Model):
         else:
             reference_date = self.start
 
-        timezone = pytz.timezone(self._context.get('tz') or 'UTC')
+        timezone = pytz.timezone(self.event_tz) if self.event_tz else pytz.timezone(self._context.get('tz') or 'UTC')
         event_date = pytz.UTC.localize(fields.Datetime.from_string(reference_date))  # Add "+hh:mm" timezone
         if not event_date:
             event_date = datetime.datetime.now()
@@ -637,7 +638,7 @@ class Meeting(models.Model):
             invalidate = True
 
         def naive_tz_to_utc(d):
-            return timezone.localize(d).astimezone(pytz.UTC)
+            return timezone.localize(d.replace(tzinfo=None), is_dst=True).astimezone(pytz.UTC)
         return [naive_tz_to_utc(d) if not use_naive_datetime else d for d in rset1 if d.year < MAXYEAR]
 
     @api.multi
@@ -780,6 +781,7 @@ class Meeting(models.Model):
     start_datetime = fields.Datetime('Start DateTime', compute='_compute_dates', inverse='_inverse_dates', store=True, states={'done': [('readonly', True)]}, tracking=True)
     stop_date = fields.Date('End Date', compute='_compute_dates', inverse='_inverse_dates', store=True, states={'done': [('readonly', True)]}, tracking=True)
     stop_datetime = fields.Datetime('End Datetime', compute='_compute_dates', inverse='_inverse_dates', store=True, states={'done': [('readonly', True)]}, tracking=True)  # old date_deadline
+    event_tz = fields.Selection('_event_tz_get', string='Timezone', default=lambda self: self.env.context.get('tz') or self.user_id.tz)
     duration = fields.Float('Duration', states={'done': [('readonly', True)]})
     description = fields.Text('Description', states={'done': [('readonly', True)]})
     privacy = fields.Selection([('public', 'Everyone'), ('private', 'Only me'), ('confidential', 'Only internal users')], 'Privacy', default='public', states={'done': [('readonly', True)]}, oldname="class")
@@ -935,6 +937,10 @@ class Meeting(models.Model):
                 data.update(self._rrule_parse(meeting.rrule, data, meeting.start))
                 meeting.update(data)
 
+    @api.model
+    def _event_tz_get(self):
+        return _tz_get(self)
+
     @api.constrains('start_datetime', 'stop_datetime', 'start_date', 'stop_date')
     def _check_closing_date(self):
         for meeting in self:
diff --git a/addons/calendar/views/calendar_views.xml b/addons/calendar/views/calendar_views.xml
index 76be748d098..9a69e99410b 100644
--- a/addons/calendar/views/calendar_views.xml
+++ b/addons/calendar/views/calendar_views.xml
@@ -139,6 +139,7 @@
                                     {'no_create_edit': True}"/>
                                     <field name="alarm_ids" widget="many2many_tags" />
                                     <field name="location" />
+                                    <field name="event_tz" attrs="{'invisible': [('recurrency', '=', False)]}"/>
                                 </group>
 
                             </group>
diff --git a/addons/hr_holidays/models/hr_leave.py b/addons/hr_holidays/models/hr_leave.py
index 34afa16eb5d..443d01f4729 100644
--- a/addons/hr_holidays/models/hr_leave.py
+++ b/addons/hr_holidays/models/hr_leave.py
@@ -618,7 +618,8 @@ class HolidaysRequest(models.Model):
             'stop': self.date_to,
             'allday': False,
             'state': 'open',  # to block that meeting date in the calendar
-            'privacy': 'confidential'
+            'privacy': 'confidential',
+            'event_tz': self.user_id.tz,
         }
         # Add the partner_id (if exist) as an attendee
         if self.user_id and self.user_id.partner_id: