property Calendar.ShortDateFormat as String
Indicates the short date format.

TypeDescription
String A String expression that defines the short date format. The ShortDateFormat suports tags as described bellow.
By default, the ShortDateFormat property is "<%loc_sdate%>", so the format of the long date as defined in the regional settings is currently used. The KnownProperty(exEventDisplayShortMargins) property uses the ShortDateFormat property to display the event's margins in a short date format. For instance, an all-day event ( AllDayEvent property ) can display the starting and ending margins of the event in a short date format. The LongDateFormat property defines the long date format to be used when label properties includes the <%=%257%> TAG.

In conclusion, the ShortDateFormat property defines the long date format being used to display the event's margins, when the <%=%256%> is included in the label properties such as: 

The property supports the following TAGs:

The following tags are displayed based on the user's Regional and Language Options: