diff --git a/app/Http/Controllers/AccountController.php b/app/Http/Controllers/AccountController.php
index 8f6826186d35..d2417048c4e9 100644
--- a/app/Http/Controllers/AccountController.php
+++ b/app/Http/Controllers/AccountController.php
@@ -471,6 +471,7 @@ class AccountController extends BaseController
             'datetimeFormats' => Cache::get('datetimeFormats'),
             'currencies' => Cache::get('currencies'),
             'title' => trans('texts.localization'),
+            'weekdays' => Utils::getTranslatedWeekdayNames(),
         ];
 
         return View::make('accounts.localization', $data);
@@ -1270,6 +1271,7 @@ class AccountController extends BaseController
         $account->language_id = Input::get('language_id') ? Input::get('language_id') : 1; // English
         $account->military_time = Input::get('military_time') ? true : false;
         $account->show_currency_code = Input::get('show_currency_code') ? true : false;
+        $account->start_of_week = Input::get('start_of_week') ? Input::get('start_of_week') : 0;
         $account->save();
 
         event(new UserSettingsChanged());
diff --git a/app/Libraries/Utils.php b/app/Libraries/Utils.php
index 155739c84970..498196ae8b46 100644
--- a/app/Libraries/Utils.php
+++ b/app/Libraries/Utils.php
@@ -18,6 +18,11 @@ use WePay;
 
 class Utils
 {
+    private static $weekdayNames = [
+        "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday",
+    ];
+
+
     public static function isRegistered()
     {
         return Auth::check() && Auth::user()->registered;
@@ -1020,4 +1025,28 @@ class Utils
             return new WePay(null);
         }
     }
+
+    /**
+     * Gets an array of weekday names (in English)
+     *
+     * @see getTranslatedWeekdayNames()
+     *
+     * @return \Illuminate\Support\Collection
+     */
+    public static function getWeekdayNames()
+    {
+        return collect(static::$weekdayNames);
+    }
+
+    /**
+     * Gets an array of translated weekday names
+     *
+     * @return \Illuminate\Support\Collection
+     */
+    public static function getTranslatedWeekdayNames()
+    {
+        return collect(static::$weekdayNames)->transform(function ($day) {
+             return trans('texts.'.strtolower($day));
+        });
+    }
 }
diff --git a/app/Models/Account.php b/app/Models/Account.php
index 4b765d544014..d940b108094e 100644
--- a/app/Models/Account.php
+++ b/app/Models/Account.php
@@ -79,6 +79,7 @@ class Account extends Eloquent
         'show_item_taxes',
         'default_tax_rate_id',
         'enable_second_tax_rate',
+        'start_of_week',
     ];
 
     /**
@@ -1063,6 +1064,8 @@ class Account extends Eloquent
             $format = str_replace('g:i a', 'H:i', $format);
         }
         Session::put(SESSION_DATETIME_FORMAT, $format);
+
+        Session::put('start_of_week', $this->start_of_week);
     }
 
     /**
diff --git a/database/migrations/2016_07_04_110152_add_start_of_week_to_accounts_table.php b/database/migrations/2016_07_04_110152_add_start_of_week_to_accounts_table.php
new file mode 100644
index 000000000000..5c4eb858c852
--- /dev/null
+++ b/database/migrations/2016_07_04_110152_add_start_of_week_to_accounts_table.php
@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+/**
+ * Class AddStartOfWeekToAccountsTable
+ */
+class AddStartOfWeekToAccountsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('accounts', function (Blueprint $table) {
+            $table->integer('start_of_week');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('accounts', function (Blueprint $table) {
+            $table->dropColumn('start_of_week');
+        });
+    }
+}
diff --git a/resources/lang/de/texts.php b/resources/lang/de/texts.php
index 655902c0e914..5c88f25636a9 100644
--- a/resources/lang/de/texts.php
+++ b/resources/lang/de/texts.php
@@ -1362,6 +1362,7 @@ $LANG = array(
     'failed_remove_payment_method' => 'Failed to remove the payment method',
     'gateway_exists' => 'This gateway already exists',
     'manual_entry' => 'Manual entry',
+    'start_of_week' => 'Erster Tag der Woche',
 
     // Frequencies
     'freq_weekly' => 'wöchentlich',
diff --git a/resources/lang/en/texts.php b/resources/lang/en/texts.php
index 0e6d051fd192..084231ea7a7b 100644
--- a/resources/lang/en/texts.php
+++ b/resources/lang/en/texts.php
@@ -1362,6 +1362,7 @@ $LANG = array(
     'failed_remove_payment_method' => 'Failed to remove the payment method',
     'gateway_exists' => 'This gateway already exists',
     'manual_entry' => 'Manual entry',
+    'start_of_week' => 'First day of the week',
 
     // Frequencies
     'freq_weekly' => 'Weekly',
diff --git a/resources/views/accounts/localization.blade.php b/resources/views/accounts/localization.blade.php
index ccca9f3c4e20..1aa0722dcf2d 100644
--- a/resources/views/accounts/localization.blade.php
+++ b/resources/views/accounts/localization.blade.php
@@ -30,6 +30,8 @@
                     ->fromQuery($dateFormats) !!}
                 {!! Former::select('datetime_format_id')->addOption('','')
                     ->fromQuery($datetimeFormats) !!}
+                {!! Former::select('start_of_week')->addOption('','')
+                    ->fromQuery($weekdays) !!}
                 {!! Former::checkbox('military_time')->text(trans('texts.enable')) !!}
                 {{-- Former::checkbox('show_currency_code')->text(trans('texts.enable')) --}}
 
diff --git a/resources/views/master.blade.php b/resources/views/master.blade.php
index db5e8f366519..c350ff29e63d 100644
--- a/resources/views/master.blade.php
+++ b/resources/views/master.blade.php
@@ -5,35 +5,35 @@
         <title>{{ trans('texts.client_portal') }}</title>
     @else
         <title>{{ isset($title) ? ($title . ' | Invoice Ninja') : ('Invoice Ninja | ' . trans('texts.app_title')) }}</title>
-        <meta name="description" content="{{ isset($description) ? $description : trans('texts.app_description') }}" />
+        <meta name="description" content="{{ isset($description) ? $description : trans('texts.app_description') }}"/>
         <link href="{{ asset('favicon-v2.png') }}" rel="shortcut icon" type="image/png">
     @endif
 
-    <!-- Source: https://github.com/invoiceninja/invoiceninja -->
-    <!-- Version: {{ NINJA_VERSION }} -->
+<!-- Source: https://github.com/invoiceninja/invoiceninja -->
+<!-- Version: {{ NINJA_VERSION }} -->
 
     <meta charset="utf-8">
-    <meta property="og:site_name" content="Invoice Ninja" />
-    <meta property="og:url" content="{{ SITE_URL }}" />
-    <meta property="og:title" content="Invoice Ninja" />
-    <meta property="og:image" content="{{ SITE_URL }}/images/round_logo.png" />
-    <meta property="og:description" content="Simple, Intuitive Invoicing." />
+    <meta property="og:site_name" content="Invoice Ninja"/>
+    <meta property="og:url" content="{{ SITE_URL }}"/>
+    <meta property="og:title" content="Invoice Ninja"/>
+    <meta property="og:image" content="{{ SITE_URL }}/images/round_logo.png"/>
+    <meta property="og:description" content="Simple, Intuitive Invoicing."/>
 
     <!-- http://stackoverflow.com/questions/19012698/browser-cache-issues-in-laravel-4-application -->
-    <meta http-equiv="cache-control" content="max-age=0" />
-    <meta http-equiv="cache-control" content="no-cache" />
-    <meta http-equiv="cache-control" content="no-store" />
-    <meta http-equiv="cache-control" content="must-revalidate" />
-    <meta http-equiv="expires" content="0" />
-    <meta http-equiv="expires" content="Tue, 01 Jan 1980 1:00:00 GMT" />
-    <meta http-equiv="pragma" content="no-cache" />
+    <meta http-equiv="cache-control" content="max-age=0"/>
+    <meta http-equiv="cache-control" content="no-cache"/>
+    <meta http-equiv="cache-control" content="no-store"/>
+    <meta http-equiv="cache-control" content="must-revalidate"/>
+    <meta http-equiv="expires" content="0"/>
+    <meta http-equiv="expires" content="Tue, 01 Jan 1980 1:00:00 GMT"/>
+    <meta http-equiv="pragma" content="no-cache"/>
 
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="csrf-token" content="{{ csrf_token() }}">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="msapplication-config" content="none"/>
 
-    <link rel="canonical" href="{{ NINJA_APP_URL }}/{{ Request::path() }}" />
+    <link rel="canonical" href="{{ NINJA_APP_URL }}/{{ Request::path() }}"/>
 
     <script src="{{ asset('built.js') }}?no_cache={{ NINJA_VERSION }}" type="text/javascript"></script>
 
@@ -55,9 +55,9 @@
                 // Use StackTraceJS to parse the error context
                 if (error) {
                     var message = error.message ? error.message : error;
-                    StackTrace.fromError(error).then(function(result) {
+                    StackTrace.fromError(error).then(function (result) {
                         var gps = new StackTraceGPS();
-                        gps.findFunctionName(result[0]).then(function(result) {
+                        gps.findFunctionName(result[0]).then(function (result) {
                             logError(errorMsg + ': ' + JSON.stringify(result));
                         });
                     });
@@ -66,7 +66,8 @@
                 }
 
                 trackEvent('/error', errorMsg);
-            } catch(err) {}
+            } catch (err) {
+            }
 
             return false;
         }
@@ -75,12 +76,12 @@
             $.ajax({
                 type: 'GET',
                 url: '{{ URL::to('log_error') }}',
-                data: 'error='+encodeURIComponent(message)+'&url='+encodeURIComponent(window.location)
+                data: 'error=' + encodeURIComponent(message) + '&url=' + encodeURIComponent(window.location)
             });
         }
 
         /* Set the defaults for DataTables initialisation */
-        $.extend( true, $.fn.dataTable.defaults, {
+        $.extend(true, $.fn.dataTable.defaults, {
             "bSortClasses": false,
             "sDom": "t<'row-fluid'<'span6'i><'span6'p>>l",
             "sPaginationType": "bootstrap",
@@ -90,45 +91,61 @@
                 'sLengthMenu': '_MENU_ {{ trans('texts.rows') }}',
                 'sSearch': ''
             }
-        } );
+        });
+
+        /* Set the defaults for Bootstrap datepicker */
+        $.extend(true, $.fn.datepicker.defaults, {
+            weekStart: {{ Session::get('start_of_week') }}
+        });
 
         /* This causes problems with some languages. ie, fr_CA
-		var appLocale = '{{App::getLocale()}}';
-        $.extend( true, $.fn.datepicker.defaults, {
-			language: appLocale.replace("_", "-")
-        });
-        */
+         var appLocale = '{{App::getLocale()}}';
+         */
 
         @if (env('FACEBOOK_PIXEL'))
-            <!-- Facebook Pixel Code -->
-            !function(f,b,e,v,n,t,s){if(f.fbq)return;n=f.fbq=function(){n.callMethod?
-            n.callMethod.apply(n,arguments):n.queue.push(arguments)};if(!f._fbq)f._fbq=n;
-            n.push=n;n.loaded=!0;n.version='2.0';n.queue=[];t=b.createElement(e);t.async=!0;
-            t.src=v;s=b.getElementsByTagName(e)[0];s.parentNode.insertBefore(t,s)}(window,
-            document,'script','//connect.facebook.net/en_US/fbevents.js');
+        <!-- Facebook Pixel Code -->
+        !function (f, b, e, v, n, t, s) {
+            if (f.fbq)return;
+            n = f.fbq = function () {
+                n.callMethod ?
+                        n.callMethod.apply(n, arguments) : n.queue.push(arguments)
+            };
+            if (!f._fbq)f._fbq = n;
+            n.push = n;
+            n.loaded = !0;
+            n.version = '2.0';
+            n.queue = [];
+            t = b.createElement(e);
+            t.async = !0;
+            t.src = v;
+            s = b.getElementsByTagName(e)[0];
+            s.parentNode.insertBefore(t, s)
+        }(window,
+                document, 'script', '//connect.facebook.net/en_US/fbevents.js');
 
-            fbq('init', '{{ env('FACEBOOK_PIXEL') }}');
-            fbq('track', "PageView");
+        fbq('init', '{{ env('FACEBOOK_PIXEL') }}');
+        fbq('track', "PageView");
 
-            (function() {
-              var _fbq = window._fbq || (window._fbq = []);
-              if (!_fbq.loaded) {
+        (function () {
+            var _fbq = window._fbq || (window._fbq = []);
+            if (!_fbq.loaded) {
                 var fbds = document.createElement('script');
                 fbds.async = true;
                 fbds.src = '//connect.facebook.net/en_US/fbds.js';
                 var s = document.getElementsByTagName('script')[0];
                 s.parentNode.insertBefore(fbds, s);
                 _fbq.loaded = true;
-             }
-            })();
+            }
+        })();
 
         @else
-            function fbq() {
-                // do nothing
-            };
+        function fbq() {
+            // do nothing
+        }
+        ;
         @endif
 
-        window._fbq = window._fbq || [];
+                window._fbq = window._fbq || [];
 
     </script>
 
@@ -139,32 +156,49 @@
     <script src="https://oss.maxcdn.com/libs/respond.js/1.3.0/respond.min.js"></script>
     <![endif]-->
 
-@yield('head')
+    @yield('head')
 
 </head>
 
 <body class="body">
 
-    @if (isset($_ENV['TAG_MANAGER_KEY']) && $_ENV['TAG_MANAGER_KEY'])
+@if (isset($_ENV['TAG_MANAGER_KEY']) && $_ENV['TAG_MANAGER_KEY'])
     <!-- Google Tag Manager -->
-    <noscript><iframe src="//www.googletagmanager.com/ns.html?id={{ $_ENV['TAG_MANAGER_KEY'] }}"
-        height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
-        <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
-            new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
-        j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
-        '//www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
-    })(window,document,'script','dataLayer','{{ $_ENV['TAG_MANAGER_KEY'] }}');</script>
+    <noscript>
+        <iframe src="//www.googletagmanager.com/ns.html?id={{ $_ENV['TAG_MANAGER_KEY'] }}"
+                height="0" width="0" style="display:none;visibility:hidden"></iframe>
+    </noscript>
+    <script>(function (w, d, s, l, i) {
+            w[l] = w[l] || [];
+            w[l].push({
+                'gtm.start': new Date().getTime(), event: 'gtm.js'
+            });
+            var f = d.getElementsByTagName(s)[0],
+                    j = d.createElement(s), dl = l != 'dataLayer' ? '&l=' + l : '';
+            j.async = true;
+            j.src =
+                    '//www.googletagmanager.com/gtm.js?id=' + i + dl;
+            f.parentNode.insertBefore(j, f);
+        })(window, document, 'script', 'dataLayer', '{{ $_ENV['TAG_MANAGER_KEY'] }}');</script>
     <!-- End Google Tag Manager -->
 
     <script>
-        function trackEvent(category, action) {}
+        function trackEvent(category, action) {
+        }
     </script>
-    @elseif (isset($_ENV['ANALYTICS_KEY']) && $_ENV['ANALYTICS_KEY'])
+@elseif (isset($_ENV['ANALYTICS_KEY']) && $_ENV['ANALYTICS_KEY'])
     <script>
-        (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
-            (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
-            m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
-        })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+        (function (i, s, o, g, r, a, m) {
+            i['GoogleAnalyticsObject'] = r;
+            i[r] = i[r] || function () {
+                        (i[r].q = i[r].q || []).push(arguments)
+                    }, i[r].l = 1 * new Date();
+            a = s.createElement(o),
+                    m = s.getElementsByTagName(o)[0];
+            a.async = 1;
+            a.src = g;
+            m.parentNode.insertBefore(a, m)
+        })(window, document, 'script', '//www.google-analytics.com/analytics.js', 'ga');
 
         ga('create', '{{ $_ENV['ANALYTICS_KEY'] }}', 'auto');
         ga('send', 'pageview');
@@ -173,36 +207,40 @@
             ga('send', 'event', category, action, this.src);
         }
     </script>
-    @else
+@else
     <script>
-        function trackEvent(category, action) {}
+        function trackEvent(category, action) {
+        }
     </script>
-    @endif
+@endif
 
 @yield('body')
 
 <script type="text/javascript">
     NINJA.formIsChanged = {{ isset($formIsChanged) && $formIsChanged ? 'true' : 'false' }};
 
-    $(function() {
-        $('form.warn-on-exit input, form.warn-on-exit textarea, form.warn-on-exit select').change(function() {
+    $(function () {
+        $('form.warn-on-exit input, form.warn-on-exit textarea, form.warn-on-exit select').change(function () {
             NINJA.formIsChanged = true;
         });
 
         @if (Session::has('trackEventCategory') && Session::has('trackEventAction'))
             @if (Session::get('trackEventAction') === '/buy_pro_plan')
-                window._fbq.push(['track', '{{ env('FACEBOOK_PIXEL_BUY_PRO') }}', {'value':'{{ session('trackEventAmount') }}','currency':'USD'}]);
-            @endif
+                window._fbq.push(['track', '{{ env('FACEBOOK_PIXEL_BUY_PRO') }}', {
+            'value': '{{ session('trackEventAmount') }}',
+            'currency': 'USD'
+        }]);
+        @endif
         @endif
 
         @if (Session::has('onReady'))
-            {{ Session::get('onReady') }}
+        {{ Session::get('onReady') }}
         @endif
     });
-    $('form').submit(function() {
+    $('form').submit(function () {
         NINJA.formIsChanged = false;
     });
-    $(window).on('beforeunload', function() {
+    $(window).on('beforeunload', function () {
         if (NINJA.formIsChanged) {
             return "{{ trans('texts.unsaved_changes') }}";
         } else {
diff --git a/resources/views/tasks/edit.blade.php b/resources/views/tasks/edit.blade.php
index 0a42f343b6bf..bdfa93473c94 100644
--- a/resources/views/tasks/edit.blade.php
+++ b/resources/views/tasks/edit.blade.php
@@ -178,7 +178,8 @@
                 $(element).datetimepicker({
                     value: current_time
                 });
-            }
+            },
+            dayOfWeekStart: {{ Session::get('start_of_week') }}
          });
 
          $(element).change(function() {