diff --git a/addons/website/static/src/js/backend/dashboard.js b/addons/website/static/src/js/backend/dashboard.js
index f88dc249296..9dca1251f59 100644
--- a/addons/website/static/src/js/backend/dashboard.js
+++ b/addons/website/static/src/js/backend/dashboard.js
@@ -33,8 +33,8 @@ var Dashboard = AbstractAction.extend(ControlPanelMixin, {
         this._super(parent, context);
 
         this.date_range = 'week';  // possible values : 'week', 'month', year'
-        this.date_from = moment().subtract(1, 'week');
-        this.date_to = moment();
+        this.date_from = moment.utc().subtract(1, 'week');
+        this.date_to = moment.utc();
 
         this.dashboards_templates = ['website.dashboard_header', 'website.dashboard_content'];
         this.graphs = [];
@@ -230,13 +230,13 @@ var Dashboard = AbstractAction.extend(ControlPanelMixin, {
     on_date_range_button: function(date_range) {
         if (date_range === 'week') {
             this.date_range = 'week';
-            this.date_from = moment().subtract(1, 'weeks');
+            this.date_from = moment.utc().subtract(1, 'weeks');
         } else if (date_range === 'month') {
             this.date_range = 'month';
-            this.date_from = moment().subtract(1, 'months');
+            this.date_from = moment.utc().subtract(1, 'months');
         } else if (date_range === 'year') {
             this.date_range = 'year';
-            this.date_from = moment().subtract(1, 'years');
+            this.date_from = moment.utc().subtract(1, 'years');
         } else {
             console.log('Unknown date range. Choose between [week, month, year]');
             return;
diff --git a/addons/website_sale_link_tracker/controllers/backend.py b/addons/website_sale_link_tracker/controllers/backend.py
index f301d1c4a2b..e1cfd6c6fa3 100644
--- a/addons/website_sale_link_tracker/controllers/backend.py
+++ b/addons/website_sale_link_tracker/controllers/backend.py
@@ -1,8 +1,11 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
+from datetime import datetime, time
+
 from odoo import http
 from odoo.addons.website_sale.controllers.backend import WebsiteSaleBackend
+from odoo.fields import Date
 from odoo.http import request
 
 
@@ -10,8 +13,10 @@ class WebsiteSaleLinkTrackerBackend(WebsiteSaleBackend):
 
     @http.route()
     def fetch_dashboard_data(self, website_id, date_from, date_to):
+        datetime_from = datetime.combine(Date.from_string(date_from), time.min)
+        datetime_to = datetime.combine(Date.from_string(date_to), time.max)
         results = super(WebsiteSaleLinkTrackerBackend, self).fetch_dashboard_data(website_id, date_from, date_to)
-        results['dashboards']['sales']['utm_graph'] = self.fetch_utm_data(date_from, date_to)
+        results['dashboards']['sales']['utm_graph'] = self.fetch_utm_data(datetime_from, datetime_to)
         return results
 
     def fetch_utm_data(self, date_from, date_to):