diff --git a/calendar_default_value/__init__.py b/calendar_default_value/__init__.py
new file mode 100644
index 0000000..364a06e
--- /dev/null
+++ b/calendar_default_value/__init__.py
@@ -0,0 +1 @@
+from . import resource
diff --git a/calendar_default_value/__openerp__.py b/calendar_default_value/__openerp__.py
new file mode 100644
index 0000000..2cf4e6c
--- /dev/null
+++ b/calendar_default_value/__openerp__.py
@@ -0,0 +1,32 @@
+# coding: utf-8
+# © 2015 David BEAL @ Akretion
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+{
+    'name': 'Calendar Default Values',
+    'summary': 'Makes calendar creation quicker',
+    'description': """
+Calendar Default Values
+=======================
+
+Define opening hours for each day of week at calendar creation.
+
+Method to override for behavior customization:
+
+    - get_my_calendar_data()
+    - map_day()
+    - string_format()
+
+""",
+    'version': '8.0.1.0.0',
+    'author': 'Akretion',
+    'category': 'base',
+    'depends': [
+        'resource',
+    ],
+    'website': 'http://www.akretion.com/',
+    'data': [
+        'calendar_view.xml',
+    ],
+    'license': 'AGPL-3',
+}
diff --git a/calendar_default_value/calendar_view.xml b/calendar_default_value/calendar_view.xml
new file mode 100644
index 0000000..1b7d199
--- /dev/null
+++ b/calendar_default_value/calendar_view.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<openerp>
+  <data>
+
+
+    <record id="resource_calendar_form" model="ir.ui.view">
+        <field name="model">resource.calendar</field>
+        <field name="inherit_id" ref="resource.resource_calendar_form"/>
+        <field name="arch" type="xml">
+            <field name="name" position="after">
+                <field name="hour_range"/>
+            </field>
+        </field>
+    </record>
+
+    <record id="view_resource_calendar_tree" model="ir.ui.view">
+        <field name="model">resource.calendar</field>
+        <field name="inherit_id" ref="resource.view_resource_calendar_tree"/>
+        <field name="arch" type="xml">
+            <field name="name" position="after">
+                <field name="hour_range"/>
+            </field>
+        </field>
+    </record>
+
+
+  </data>
+</openerp>
diff --git a/calendar_default_value/i18n/calendar_default_value.pot b/calendar_default_value/i18n/calendar_default_value.pot
new file mode 100644
index 0000000..dabeeb5
--- /dev/null
+++ b/calendar_default_value/i18n/calendar_default_value.pot
@@ -0,0 +1,37 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+#	* calendar_default_value
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 8.0\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2016-01-05 17:42+0000\n"
+"PO-Revision-Date: 2016-01-05 17:42+0000\n"
+"Last-Translator: <>\n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: calendar_default_value
+#: field:resource.calendar,hour_range:0
+msgid "Hour Range"
+msgstr ""
+
+#. module: calendar_default_value
+#: model:ir.model,name:calendar_default_value.model_resource_calendar
+msgid "Resource Calendar"
+msgstr ""
+
+#. module: calendar_default_value
+#: help:resource.calendar,hour_range:0
+msgid "String representation of working hours"
+msgstr ""
+
+#. module: calendar_default_value
+#: model:ir.model,name:calendar_default_value.model_resource_calendar_attendance
+msgid "Work Detail"
+msgstr ""
+
diff --git a/calendar_default_value/i18n/fr_FR.po b/calendar_default_value/i18n/fr_FR.po
new file mode 100644
index 0000000..93dcf3c
--- /dev/null
+++ b/calendar_default_value/i18n/fr_FR.po
@@ -0,0 +1,38 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# 	* calendar_default_value
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 8.0\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2016-01-05 18:43+0100\n"
+"PO-Revision-Date: 2016-01-05 18:44+0100\n"
+"Last-Translator: David BEAL <david.beal@akretion.com>\n"
+"Language-Team: \n"
+"Language: fr_FR\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: \n"
+"X-Generator: Poedit 1.8.4\n"
+
+#. module: calendar_default_value
+#: field:resource.calendar,hour_range:0
+msgid "Hour Range"
+msgstr "Plage Horaire"
+
+#. module: calendar_default_value
+#: model:ir.model,name:calendar_default_value.model_resource_calendar
+msgid "Resource Calendar"
+msgstr "Calendrier de la ressource"
+
+#. module: calendar_default_value
+#: help:resource.calendar,hour_range:0
+msgid "String representation of working hours"
+msgstr "Représentation en chaîne de caractères des heures de travail"
+
+#. module: calendar_default_value
+#: model:ir.model,name:calendar_default_value.model_resource_calendar_attendance
+msgid "Work Detail"
+msgstr "Détail du travail"
diff --git a/calendar_default_value/resource.py b/calendar_default_value/resource.py
new file mode 100644
index 0000000..f434858
--- /dev/null
+++ b/calendar_default_value/resource.py
@@ -0,0 +1,113 @@
+# coding: utf-8
+# © 2015 David BEAL @ Akretion
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+import collections
+from openerp import models, fields, api
+
+
+class ResourceCalendarAttendance(models.Model):
+    _inherit = 'resource.calendar.attendance'
+
+    # PR is done for v9
+    # https://github.com/odoo/odoo/pull/10310
+    calendar_id = fields.Many2one(ondelete='cascade')
+
+
+class ResourceCalendar(models.Model):
+    _inherit = 'resource.calendar'
+    _rec_name = 'display_name'
+
+    hour_range = fields.Char(
+        string='Hour Range', compute='_compute_hour_range',
+        readonly=True, store=True,
+        help="String representation of working hours")
+    display_name = fields.Char(compute='_compute_display_name', store=True)
+
+    @api.multi
+    @api.depends('name', 'hour_range')
+    def _compute_display_name(self):
+        for rec in self:
+            rec.display_name = "%s: %s" % (rec.name, rec.hour_range)
+
+    @api.model
+    def default_get(self, fields_list):
+        "'attendance_ids' field default value"
+        values = super(ResourceCalendar, self).default_get(fields_list)
+        vals = []
+        params = self.get_my_calendar_data()
+        for day in range(0, params.endday):
+            mapping = self._populate_attendance(
+                day, params.hour_from, params.hour_to)
+            vals.append((0, 0, mapping))
+            if params.hour_from2 and params.hour_to2:
+                mapping = self._populate_attendance(
+                    day, params.hour_from2, params.hour_to2)
+                vals.append((0, 0, mapping))
+        values['attendance_ids'] = vals
+        return values
+
+    @api.model
+    def _populate_attendance(self, day, hour_from, hour_to):
+        return {
+            'hour_from': hour_from,
+            'hour_to': hour_to,
+            'name': '.',
+            'dayofweek': str(day),
+        }
+
+    @api.model
+    def get_my_calendar_data(self):
+        'Override me according to your opening hours'
+        Params = collections.namedtuple(
+            'Params', 'hour_from hour_to hour_from2 hour_to2 endday')
+        return Params(
+            endday=5,
+            hour_from=8,
+            hour_to=12,
+            # put hour_to/from to False if you don't want use them
+            hour_from2=13,
+            hour_to2=17,
+        )
+
+    @api.multi
+    @api.depends('attendance_ids')
+    def _compute_hour_range(self):
+        for rec in self:
+            if rec.attendance_ids:
+                info = []
+                dayofweek = ''
+                for hours in rec.attendance_ids:
+                    if hours.dayofweek != dayofweek:
+                        selection = hours._fields['dayofweek'].selection
+                        str_day = self.map_day()[
+                            selection[int(hours.dayofweek)][1]]
+                        info.append(
+                            self.string_format(main_string=True) % (
+                                str_day, int(hours.hour_from),
+                                int(hours.hour_to)))
+                    else:
+                        # We are on the same day but with another hour range
+                        # we concatenate on the first string of the day
+                        position = info.index(info[-1:][0])
+                        info[position] = self.string_format() % (
+                            info[-1:][0], int(hours.hour_from),
+                            int(hours.hour_to))
+                    dayofweek = hours.dayofweek
+                rec.hour_range = ', '.join(info)
+
+    @api.model
+    def string_format(self, main_string=None):
+        'Override me to customize calendar hour_range'
+        if main_string:
+            # ie: 'Lu 8-12'
+            return '%s %s-%s'
+        # ie: 'Lu 8-12 / 13-17'
+        return '%s / %s-%s'
+
+    @api.model
+    def map_day(self):
+        'Override me to customize calendar hour_range'
+        return {'Monday': 'Lu', 'Tuesday': 'Ma', 'Wednesday': 'Me',
+                'Thursday': 'Je', 'Friday': 'Ve', 'Saturday': 'Sa',
+                'Sunday': 'Di'}