diff -uN gnome-shell/fix-calendar-week.patch gnome-shell-fix/fix-calendar-week.patch
--- gnome-shell/fix-calendar-week.patch	1970-01-01 01:00:00.000000000 +0100
+++ gnome-shell-fix/fix-calendar-week.patch	2015-01-16 16:37:34.705320325 +0000
@@ -0,0 +1,39 @@
+diff --git a/js/ui/calendar.js b/js/ui/calendar.js
+index bc51d20..6edf69f 100644
+--- a/js/ui/calendar.js
++++ b/js/ui/calendar.js
+@@ -88,23 +88,6 @@ function _formatEventTime(event, clockFormat, periodBegin, periodEnd) {
+     return ret;
+ }
+ 
+-function _getCalendarWeekForDate(date) {
+-    // Based on the algorithms found here:
+-    // http://en.wikipedia.org/wiki/Talk:ISO_week_date
+-    let midnightDate = new Date(date.getFullYear(), date.getMonth(), date.getDate());
+-    // Need to get Monday to be 1 ... Sunday to be 7
+-    let dayOfWeek = 1 + ((midnightDate.getDay() + 6) % 7);
+-    let nearestThursday = new Date(midnightDate.getFullYear(), midnightDate.getMonth(),
+-                                   midnightDate.getDate() + (4 - dayOfWeek));
+-
+-    let jan1st = new Date(nearestThursday.getFullYear(), 0, 1);
+-    let diffDate = nearestThursday - jan1st;
+-    let dayNumber = Math.floor(Math.abs(diffDate) / MSECS_IN_DAY);
+-    let weekNumber = Math.floor(dayNumber / 7) + 1;
+-
+-    return weekNumber;
+-}
+-
+ function _getCalendarDayAbbreviation(dayNumber) {
+     let abbreviations = [
+         /* Translators: Calendar grid abbreviation for Sunday.
+@@ -672,7 +655,7 @@ const Calendar = new Lang.Class({
+             this._buttons.push(button);
+ 
+             if (this._useWeekdate && iter.getDay() == 4) {
+-                let label = new St.Label({ text: _getCalendarWeekForDate(iter).toString(),
++                let label = new St.Label({ text: iter.toLocaleFormat('%V'),
+                                            style_class: 'calendar-day-base calendar-week-number'});
+                 layout.attach(label, rtl ? 7 : 0, row, 1, 1);
+             }
+-- 
+2.1.0
diff -uN gnome-shell/PKGBUILD gnome-shell-fix/PKGBUILD
--- gnome-shell/PKGBUILD	2015-01-15 23:05:45.168201719 +0000
+++ gnome-shell-fix/PKGBUILD	2015-01-16 16:46:01.721463453 +0000
@@ -4,7 +4,7 @@
 
 pkgname=gnome-shell
 pkgver=3.14.3
-pkgrel=2
+pkgrel=3
 pkgdesc="The next generation GNOME Shell"
 arch=(i686 x86_64)
 url="http://live.gnome.org/GnomeShell"
@@ -19,15 +19,18 @@
 install=gnome-shell.install
 groups=(gnome)
 source=(http://ftp.gnome.org/pub/GNOME/sources/$pkgname/${pkgver:0:4}/$pkgname-$pkgver.tar.xz
-        nm-libexecdir.patch)
+        nm-libexecdir.patch 
+	fix-calendar-week.patch)
 sha256sums=('fb44484efb94af4d90189127136a82b2cc1afed93e24834165ae550b58b539d6'
-            'e5bb10ad2e5c3e0fde3d05babd1bfdda701e553e02d493f7e54cb7832ce7e607')
+            'e5bb10ad2e5c3e0fde3d05babd1bfdda701e553e02d493f7e54cb7832ce7e607'
+            '4f5db961be71c2d2e5ec6dab9b0223ae23476697d0c4f1edc8a180bfd0767853')
 
 prepare() {
   cd $pkgname-$pkgver
 
   # FS#30747 FS#32730 Problems due to libexecdir different from NM
   patch -Np1 -i ../nm-libexecdir.patch
+  patch -Np1 -i ../fix-calendar-week.patch
 }
 
 build() {