diff --git a/src/mytinytodo.js b/src/mytinytodo.js
index 7e6bf39..55efaba 100644
--- a/src/mytinytodo.js
+++ b/src/mytinytodo.js
@@ -51,7 +51,8 @@ var mytinytodo = window.mytinytodo = _mtt = {
 		singletab: false,
 		autotag: false,
 		tagPreview: true,
-		saveShowNotes: false
+		saveShowNotes: false,
+		firstdayofweek: 1
 	},
 
 	timers: {
diff --git a/src/themes/default/index.php b/src/themes/default/index.php
index febd34f..63e8232 100644
--- a/src/themes/default/index.php
+++ b/src/themes/default/index.php
@@ -45,6 +45,7 @@ $().ready(function(){
 		showdate: <?php echo (Config::get('showdate') && !isset($_GET['pda'])) ? "true" : "false"; ?>,
 		singletab: <?php echo (isset($_GET['singletab']) || isset($_GET['pda'])) ? "true" : "false"; ?>,
 		duedatepickerformat: "<?php echo htmlspecialchars(Config::get('dateformat2')); ?>",
+		firstdayofweek: <?php echo (int) Config::get('firstdayofweek'); ?>,
 		autotag: <?php echo Config::get('autotag') ? "true" : "false"; ?>
 		<?php if(isset($_GET['list'])) echo ",openList: ". (int)$_GET['list']; ?>
 	}).loadLists(1);