diff --git a/addons/hr_holidays/i18n/hr_holidays.pot b/addons/hr_holidays/i18n/hr_holidays.pot
index 5c00fc18ecb..90f27955427 100644
--- a/addons/hr_holidays/i18n/hr_holidays.pot
+++ b/addons/hr_holidays/i18n/hr_holidays.pot
@@ -234,6 +234,18 @@ msgstr ""
 msgid "12:00 PM"
 msgstr ""
 
+#. module: hr_holidays
+#: model:ir.model.fields.selection,name:hr_holidays.selection__hr_leave__request_hour_from__0_5
+#: model:ir.model.fields.selection,name:hr_holidays.selection__hr_leave__request_hour_to__0_5
+msgid "12:30 AM"
+msgstr ""
+
+#. module: hr_holidays
+#: model:ir.model.fields.selection,name:hr_holidays.selection__hr_leave__request_hour_from__12_5
+#: model:ir.model.fields.selection,name:hr_holidays.selection__hr_leave__request_hour_to__12_5
+msgid "12:30 PM"
+msgstr ""
+
 #. module: hr_holidays
 #: model:ir.model.fields.selection,name:hr_holidays.selection__hr_leave__request_hour_from__1
 #: model:ir.model.fields.selection,name:hr_holidays.selection__hr_leave__request_hour_to__1
diff --git a/addons/hr_holidays/models/hr_leave.py b/addons/hr_holidays/models/hr_leave.py
index 06d6dfad818..d625c50adf9 100644
--- a/addons/hr_holidays/models/hr_leave.py
+++ b/addons/hr_holidays/models/hr_leave.py
@@ -199,7 +199,7 @@ class HolidaysRequest(models.Model):
     request_date_to = fields.Date('Request End Date')
     # Interface fields used when using hour-based computation
     request_hour_from = fields.Selection([
-        ('0', '12:00 AM'), ('0.5', '0:30 AM'),
+        ('0', '12:00 AM'), ('0.5', '12:30 AM'),
         ('1', '1:00 AM'), ('1.5', '1:30 AM'),
         ('2', '2:00 AM'), ('2.5', '2:30 AM'),
         ('3', '3:00 AM'), ('3.5', '3:30 AM'),
@@ -211,7 +211,7 @@ class HolidaysRequest(models.Model):
         ('9', '9:00 AM'), ('9.5', '9:30 AM'),
         ('10', '10:00 AM'), ('10.5', '10:30 AM'),
         ('11', '11:00 AM'), ('11.5', '11:30 AM'),
-        ('12', '12:00 PM'), ('12.5', '0:30 PM'),
+        ('12', '12:00 PM'), ('12.5', '12:30 PM'),
         ('13', '1:00 PM'), ('13.5', '1:30 PM'),
         ('14', '2:00 PM'), ('14.5', '2:30 PM'),
         ('15', '3:00 PM'), ('15.5', '3:30 PM'),
@@ -224,7 +224,7 @@ class HolidaysRequest(models.Model):
         ('22', '10:00 PM'), ('22.5', '10:30 PM'),
         ('23', '11:00 PM'), ('23.5', '11:30 PM')], string='Hour from')
     request_hour_to = fields.Selection([
-        ('0', '12:00 AM'), ('0.5', '0:30 AM'),
+        ('0', '12:00 AM'), ('0.5', '12:30 AM'),
         ('1', '1:00 AM'), ('1.5', '1:30 AM'),
         ('2', '2:00 AM'), ('2.5', '2:30 AM'),
         ('3', '3:00 AM'), ('3.5', '3:30 AM'),
@@ -236,7 +236,7 @@ class HolidaysRequest(models.Model):
         ('9', '9:00 AM'), ('9.5', '9:30 AM'),
         ('10', '10:00 AM'), ('10.5', '10:30 AM'),
         ('11', '11:00 AM'), ('11.5', '11:30 AM'),
-        ('12', '12:00 PM'), ('12.5', '0:30 PM'),
+        ('12', '12:00 PM'), ('12.5', '12:30 PM'),
         ('13', '1:00 PM'), ('13.5', '1:30 PM'),
         ('14', '2:00 PM'), ('14.5', '2:30 PM'),
         ('15', '3:00 PM'), ('15.5', '3:30 PM'),