diff --git a/addons/hr_holidays/hr_holidays.py b/addons/hr_holidays/hr_holidays.py
index fdf21b96707..c5298c73748 100644
--- a/addons/hr_holidays/hr_holidays.py
+++ b/addons/hr_holidays/hr_holidays.py
@@ -293,7 +293,7 @@ class hr_holidays(osv.osv):
             resource = resource_obj.browse(cr, uid, resource_ids, context=context)
             if resource and resource.calendar_id:
                 hours = resource.calendar_id.get_working_hours(from_dt, to_dt, resource_id=resource.id, compute_leaves=True)
-                uom_hour = model_data_obj.xmlid_to_object(cr, uid, 'product.product_uom_hour')
+                uom_hour = resource.calendar_id.uom_id
                 uom_day = model_data_obj.xmlid_to_object(cr, uid, 'product.product_uom_day')
                 if uom_hour and uom_day:
                     return uom_obj._compute_qty_obj(cr, uid, uom_hour, hours[0], uom_day, context=context)
@@ -548,6 +548,22 @@ class hr_holidays(osv.osv):
         return res
 
 
+class resource_calendar(osv.osv):
+    _inherit = "resource.calendar"
+    _columns = {
+        'uom_id': fields.many2one("product.uom", "Hours per Day", required=True,
+            help="""Average hours of work per day.
+                    It is used in an employee leave request to compute the number of days consumed based on the resource calendar.
+                    It can be used to handle various contract types, e.g.:
+                    - 38 Hours/Week, 5 Days/Week: 1 Day = 7.6 Hours
+                    - 45 Hours/Week, 5 Days/Week: 1 Day = 9.0 Hours"""),
+    }
+
+    _defaults = {
+        'uom_id': lambda self, cr, uid, c: self.pool['ir.model.data'].xmlid_to_res_id(cr, uid, 'product.product_uom_hour')
+    }
+
+
 class resource_calendar_leaves(osv.osv):
     _inherit = "resource.calendar.leaves"
     _description = "Leave Detail"
diff --git a/addons/hr_holidays/hr_holidays_view.xml b/addons/hr_holidays/hr_holidays_view.xml
index 68b53cdb74a..05da2b2057a 100644
--- a/addons/hr_holidays/hr_holidays_view.xml
+++ b/addons/hr_holidays/hr_holidays_view.xml
@@ -552,6 +552,18 @@
         <menuitem id="menu_hr_holidays_configuration" name="Configuration" parent="menu_hr_holidays_root"
             sequence="100" groups="base.group_hr_manager" action="open_view_holiday_status"/>
 
+        <!-- UoM on resource calendar -->
+        <record id="resource_calendar_form_inherit" model="ir.ui.view">
+            <field name="name">resource.calendar.form.inherit</field>
+            <field name="model">resource.calendar</field>
+            <field name="inherit_id" ref="resource.resource_calendar_form"/>
+            <field name="arch" type="xml">
+                <field name="company_id" position="after">
+                    <field name="uom_id" groups="product.group_uom"/>
+                </field>
+            </field>
+        </record>
+
         <!-- Holiday on resource leave -->
         <record id="resource_calendar_leave_form_inherit" model="ir.ui.view">
             <field name="name">resource.calendar.leaves.form.inherit</field>
diff --git a/addons/hr_holidays/i18n/hr_holidays.pot b/addons/hr_holidays/i18n/hr_holidays.pot
index f1b2d682777..de22029304f 100644
--- a/addons/hr_holidays/i18n/hr_holidays.pot
+++ b/addons/hr_holidays/i18n/hr_holidays.pot
@@ -92,6 +92,11 @@ msgstr ""
 msgid "Absence by Today"
 msgstr ""
 
+#. module: hr_holidays
+#: model:ir.ui.view,arch_db:hr_holidays.hr_department_view_kanban
+msgid "Absent Employee(s), Whose leaves request are either confirmed or validated on today"
+msgstr ""
+
 #. module: hr_holidays
 #: model:ir.actions.act_window,name:hr_holidays.hr_employee_action_from_department
 msgid "Absent Employees"
@@ -180,6 +185,11 @@ msgstr ""
 msgid "Allocation to Approve"
 msgstr ""
 
+#. module: hr_holidays
+#: model:ir.ui.view,arch_db:hr_holidays.view_hr_holidays_filter
+msgid "Allocations"
+msgstr ""
+
 #. module: hr_holidays
 #: model:ir.model.fields,field_description:hr_holidays.field_hr_holidays_status_limit
 msgid "Allow to Override Limit"
@@ -225,6 +235,15 @@ msgstr ""
 msgid "Assign Leaves"
 msgstr ""
 
+#. module: hr_holidays
+#: model:ir.model.fields,help:hr_holidays.field_resource_calendar_uom_id
+msgid "Average hours of work per day.\n"
+"                    It is used in an employee leave request to compute the number of days consumed based on the resource calendar.\n"
+"                    It can be used to handle various contract types, e.g.:\n"
+"                    - 38 Hours/Week, 5 Days/Week: 1 Day = 7.6 Hours\n"
+"                    - 45 Hours/Week, 5 Days/Week: 1 Day = 9.0 Hours"
+msgstr ""
+
 #. module: hr_holidays
 #: selection:hr.holidays.status,color_name:0
 msgid "Black"
@@ -357,6 +376,11 @@ msgstr ""
 msgid "Created on"
 msgstr ""
 
+#. module: hr_holidays
+#: model:ir.ui.view,arch_db:hr_holidays.view_hr_holidays_filter
+msgid "Current"
+msgstr ""
+
 #. module: hr_holidays
 #: model:ir.model.fields,field_description:hr_holidays.field_hr_employee_current_leave_state
 msgid "Current Leave Status"
@@ -518,6 +542,16 @@ msgstr ""
 msgid "HR Leaves Summary Report By Employee"
 msgstr ""
 
+#. module: hr_holidays
+#: model:ir.model.fields,field_description:hr_holidays.field_resource_calendar_uom_id
+msgid "Hours per Day"
+msgstr ""
+
+#. module: hr_holidays
+#: model:ir.model,name:hr_holidays.model_hr_department
+msgid "Hr Department"
+msgstr ""
+
 #. module: hr_holidays
 #: model:ir.model.fields,field_description:hr_holidays.field_hr_holidays_id
 #: model:ir.model.fields,field_description:hr_holidays.field_hr_holidays_remaining_leaves_user_id
@@ -667,6 +701,7 @@ msgstr ""
 #: model:ir.ui.menu,name:hr_holidays.menu_open_department_leave_approve
 #: model:ir.ui.view,arch_db:hr_holidays.hr_department_view_kanban
 #: model:ir.ui.view,arch_db:hr_holidays.view_employee_form_leave_inherit
+#: model:ir.ui.view,arch_db:hr_holidays.view_hr_holidays_filter
 msgid "Leaves"
 msgstr ""
 
@@ -1046,6 +1081,11 @@ msgstr ""
 msgid "Reset to Draft"
 msgstr ""
 
+#. module: hr_holidays
+#: model:ir.model,name:hr_holidays.model_resource_calendar
+msgid "Resource Calendar"
+msgstr ""
+
 #. module: hr_holidays
 #: model:ir.ui.view,arch_db:hr_holidays.view_hr_holidays_filter
 msgid "Search Leave"
@@ -1347,4 +1387,3 @@ msgstr ""
 #: model:ir.ui.view,arch_db:hr_holidays.report_holidayssummary
 msgid "to"
 msgstr ""
-