diff --git a/database_tools/data/backup_data.xml b/database_tools/data/backup_data.xml
index baaac6e..9a0a06b 100644
--- a/database_tools/data/backup_data.xml
+++ b/database_tools/data/backup_data.xml
@@ -5,7 +5,7 @@
             <field name="name">Database Backups</field>
             <field name="model">db.database</field>
             <field name="function">cron_database_backup</field>
-            <field name="interval_type">work_days</field>
+            <field name="interval_type">hours</field>
             <field name="user_id" ref="base.user_root"/>
             <!-- Pongo 05 asi ajusta con el gmt y queda a las 2 de AR -->
             <field name="nextcall" eval="datetime.strftime(datetime.today()+timedelta(days=1),'%Y-%m-%d 05:%M:%S')"/>
@@ -23,7 +23,7 @@
 
         <record id="db_self_database" model="db.database">
             <field name="type">self</field>
-            <field name="backup_preserve_rule_ids" eval="[(6, False, [ref('backup_preserve_rule_daily'),ref('backup_preserve_rule_weekly'),ref('backup_preserve_rule_monthly')])]"/>
+            <field name="backup_preserve_rule_ids" eval="[(6, False, [ref('backup_preserve_rule_hourly'),ref('backup_preserve_rule_daily'),ref('backup_preserve_rule_weekly'),ref('backup_preserve_rule_monthly')])]"/>
         </record>
     </data>
 </openerp>
diff --git a/database_tools/data/backups_preserve_rules_data.xml b/database_tools/data/backups_preserve_rules_data.xml
index 471e1b0..728dc65 100644
--- a/database_tools/data/backups_preserve_rules_data.xml
+++ b/database_tools/data/backups_preserve_rules_data.xml
@@ -2,6 +2,14 @@
 <openerp>
     <data noupdate="1">
        
+        <record id="backup_preserve_rule_hourly" model="db.database.backup.preserve_rule">
+            <field name="name">Hourly (1/24)</field>
+            <field name="term" eval="1"/>
+            <field name="term_type">hourly</field>
+            <field name="interval" eval="24"/>
+            <field name="interval_type">hourly</field>
+        </record>
+
         <record id="backup_preserve_rule_daily" model="db.database.backup.preserve_rule">
             <field name="name">Daily (1/7)</field>
             <field name="term" eval="7"/>
diff --git a/database_tools/models/database.py b/database_tools/models/database.py
index bb4243e..7e3a159 100644
--- a/database_tools/models/database.py
+++ b/database_tools/models/database.py
@@ -2,13 +2,11 @@
 import os
 import shutil
 from datetime import datetime
-from datetime import date
 from openerp import fields, models, api, _, modules
 from openerp.exceptions import Warning
 from openerp.service import db as db_ws
 from dateutil.relativedelta import relativedelta
 from openerp.addons.server_mode.mode import get_mode
-import time
 import logging
 _logger = logging.getLogger(__name__)
 
@@ -53,12 +51,13 @@ def _get_preserve_rules(self):
         this folder'
         # TODO agregar boton para probar que se tiene permisos
         )
-    backup_next_date = fields.Date(
+    backup_next_date = fields.Datetime(
         string='Date of Next Backup',
         default=fields.Date.context_today,
         required=True,
         )
     backup_rule_type = fields.Selection([
+        ('hourly', 'Hour(s)'),
         ('daily', 'Day(s)'),
         ('weekly', 'Week(s)'),
         ('monthly', 'Month(s)'),
@@ -171,7 +170,7 @@ def cron_database_backup(self):
                 the parameter database.backups.enable with value True')
             return False
         _logger.info('Running backups cron')
-        current_date = time.strftime('%Y-%m-%d')
+        current_date = fields.Datetime.now()
         # get databases
         databases = self.search([
             ('backup_next_date', '<=', current_date),
@@ -181,8 +180,8 @@ def cron_database_backup(self):
         # we make a loop to commit after each backup
         for database in databases:
             database.database_backup(
-                'automatic',
-                backup_format=self.backup_format)
+                bu_type='automatic',
+                backup_format=database.backup_format)
             database._cr.commit()
 
         # clean databases
@@ -196,7 +195,9 @@ def cron_database_backup(self):
 
     @api.model
     def relative_delta(self, from_date, interval, rule_type):
-        if rule_type == 'daily':
+        if rule_type == 'hourly':
+            next_date = from_date+relativedelta(hours=+interval)
+        elif rule_type == 'daily':
             next_date = from_date+relativedelta(days=+interval)
         elif rule_type == 'weekly':
             next_date = from_date+relativedelta(weeks=+interval)
@@ -221,7 +222,7 @@ def database_backup_clean(self, bu_type=None):
         * automatic or manual. only backups of that type are going to be kept
         and going to be deleted
         """
-        term_to_date = date.today()
+        term_to_date = datetime.now()
         preserve_backups_ids = []
         for rule in self.backup_preserve_rule_ids:
             term_from_date = self.relative_delta(
@@ -238,8 +239,10 @@ def database_backup_clean(self, bu_type=None):
                         interval_from_date, interval_to_date, self.ids))
                 domain = [
                     ('database_id', 'in', self.ids),
-                    ('date', '>', interval_from_date.strftime('%Y-%m-%d')),
-                    ('date', '<=', interval_to_date.strftime('%Y-%m-%d')),
+                    ('date', '>', fields.Datetime.to_string(
+                        interval_from_date)),
+                    ('date', '<=', fields.Datetime.to_string(
+                        interval_to_date)),
                     ]
                 if bu_type:
                     domain.append(('type', '=', bu_type))
@@ -321,19 +324,20 @@ def database_backup(self, bu_type, backup_format='zip'):
                         backup.close()
                     else:
                         backup.close()
-                        database.backup_ids.create({
+                        backup_vals = {
                             'database_id': database.id,
                             'name': backup_name,
                             'path': database.backups_path,
                             'date': now,
                             'type': bu_type,
-                            })
+                            }
+                        database.backup_ids.create(backup_vals)
                         _logger.info('Backup %s Created' % backup_name)
 
                         if bu_type == 'automatic':
                             _logger.info('Reconfiguring next backup')
                             new_date = self.relative_delta(
-                                date.today(),
+                                datetime.now(),
                                 self.backup_interval,
                                 self.backup_rule_type)
                             database.backup_next_date = new_date
diff --git a/database_tools/models/database_backup_preserve_rule.py b/database_tools/models/database_backup_preserve_rule.py
index 78c4cd9..8b92a2f 100644
--- a/database_tools/models/database_backup_preserve_rule.py
+++ b/database_tools/models/database_backup_preserve_rule.py
@@ -18,6 +18,7 @@ class db_database_backup_preserve_rule(models.Model):
         required=True,
         )
     interval_type = fields.Selection([
+        ('hourly', 'Hour(s)'),
         ('daily', 'Day(s)'),
         ('weekly', 'Week(s)'),
         ('monthly', 'Month(s)'),
@@ -31,6 +32,7 @@ class db_database_backup_preserve_rule(models.Model):
         required=True,
         )
     term_type = fields.Selection([
+        ('hourly', 'Hour(s)'),
         ('daily', 'Day(s)'),
         ('weekly', 'Week(s)'),
         ('monthly', 'Month(s)'),