diff --git a/calendar/locales/en-US/chrome/calendar/calendar.properties b/calendar/locales/en-US/chrome/calendar/calendar.properties
index 0cf7fe1a59e5..4e980376bdb7 100644
--- a/calendar/locales/en-US/chrome/calendar/calendar.properties
+++ b/calendar/locales/en-US/chrome/calendar/calendar.properties
@@ -47,6 +47,7 @@ aboutToImport=About to import
 aboutToImportEnd=event(s).\nDo you want to open all new events to import before importing? 
 duplicateImport=Some duplicate entries were imported. Each one will display in the New Event dialog,\n where you can skip it using Cancel, or edit and accept it using OK.
 addDuplicate=Add duplicate entry:
+
 #spaces needed at the end of the following lines
 eventTitle=Title:      
 eventStartTime=Start Time: 
@@ -64,4 +65,8 @@ HTMLTitle=Mozilla Calendar
 deleteCalendarTitle=Delete Calendar
 deleteCalendarMessage=Are you sure you want to delete this calendar?
 deleteCalendarOnly=Delete Calendar
-deleteCalendarAndFile=Delete Calendar And File
\ No newline at end of file
+deleteCalendarAndFile=Delete Calendar And File
+
+#the default day to start the week on
+#0=Sunday 1=Monday 2=Tuesday 3=Wednesdsay 4=Thursday 5=Friday 6=Saturday
+defaultWeekStart=0
\ No newline at end of file