diff --git a/hr_employee_birthday_list_reminder/__init__.py b/hr_employee_birthday_list_reminder/__init__.py
index de8ef85b..3472b957 100644
--- a/hr_employee_birthday_list_reminder/__init__.py
+++ b/hr_employee_birthday_list_reminder/__init__.py
@@ -2,4 +2,6 @@
 # Copyright 2020 OpenSynergy Indonesia
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from . import models
+from . import (
+    models,
+)
diff --git a/hr_employee_birthday_list_reminder/__openerp__.py b/hr_employee_birthday_list_reminder/__openerp__.py
index 93c8b65e..ada1f450 100644
--- a/hr_employee_birthday_list_reminder/__openerp__.py
+++ b/hr_employee_birthday_list_reminder/__openerp__.py
@@ -11,7 +11,6 @@
     "license": "AGPL-3",
     "installable": True,
     "depends": [
-        "web",
         "mail",
         "email_template",
         "hr",
@@ -20,4 +19,9 @@
         "security/ir.model.access.csv",
         "views/hr_birthday_list_reminder_views.xml",
     ],
+    "external_dependencies": {
+        "python": [
+            "pandas"
+        ],
+    },
 }
diff --git a/hr_employee_birthday_list_reminder/i18n/hr_employee_birthdate_from_home_address.pot b/hr_employee_birthday_list_reminder/i18n/hr_employee_birthdate_from_home_address.pot
deleted file mode 100644
index bca87b9d..00000000
--- a/hr_employee_birthday_list_reminder/i18n/hr_employee_birthdate_from_home_address.pot
+++ /dev/null
@@ -1,20 +0,0 @@
-# Translation of Odoo Server.
-# This file contains the translation of the following modules:
-#	* hr_employee_birthdate_from_home_address
-#
-msgid ""
-msgstr ""
-"Project-Id-Version: Odoo Server 8.0\n"
-"Report-Msgid-Bugs-To: \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: hr_employee_birthdate_from_home_address
-#: model:ir.model,name:hr_employee_birthdate_from_home_address.model_hr_employee
-msgid "Employee"
-msgstr ""
-
diff --git a/hr_employee_birthday_list_reminder/models/__init__.py b/hr_employee_birthday_list_reminder/models/__init__.py
index 09d4632f..3cb7d5d4 100644
--- a/hr_employee_birthday_list_reminder/models/__init__.py
+++ b/hr_employee_birthday_list_reminder/models/__init__.py
@@ -2,4 +2,6 @@
 # Copyright 2020 OpenSynergy Indonesia
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from . import hr_birthday_list_reminder
+from . import(
+    hr_birthday_list_reminder,
+)
diff --git a/hr_employee_birthday_list_reminder/models/hr_birthday_list_reminder.py b/hr_employee_birthday_list_reminder/models/hr_birthday_list_reminder.py
index 30962169..5f10f88d 100644
--- a/hr_employee_birthday_list_reminder/models/hr_birthday_list_reminder.py
+++ b/hr_employee_birthday_list_reminder/models/hr_birthday_list_reminder.py
@@ -125,11 +125,11 @@ def _compute_date_offset(self):
         # Compute Date Start Offset
         if date_start_offset_period == "day":
             dt_start =\
-                dt_now - pd.DateOffset(
+                dt_now + pd.DateOffset(
                     days=date_start_offset)
         else:
             dt_start =\
-                dt_now - pd.DateOffset(
+                dt_now + pd.DateOffset(
                     months=date_start_offset)
         # Compute Date End Offset
         if date_end_offset_period == "day":
diff --git a/hr_employee_birthday_list_reminder/views/hr_birthday_list_reminder_views.xml b/hr_employee_birthday_list_reminder/views/hr_birthday_list_reminder_views.xml
index b3484d28..9fb46905 100644
--- a/hr_employee_birthday_list_reminder/views/hr_birthday_list_reminder_views.xml
+++ b/hr_employee_birthday_list_reminder/views/hr_birthday_list_reminder_views.xml
@@ -58,7 +58,7 @@
                           <field name="manual_employee_ids" col="2" nolabel="1"/>
                       </group>
                   </page>
-                    <page name="employee" string="Employee(s) List" groups="base.group_erp_manager">
+                    <page name="employee" string="Employee(s) List">
                         <group name="group_employee" colspan="4" col="2">
                             <field name="employee_ids" col="2" nolabel="1"/>
                         </group>