DayPilot Scheduler uses predefined DateTime formats depending on the time unit used in the header:

Row Header Groups

GroupBy="Hour"

  • Hour in format determined by TimeFormat property (12 or 24 hour clock).

Example: "12 AM"

GroupBy="Day"

  • Date formatted using DateTime.ToLongDateString().

Example: "Sunday, January 25, 2009"

GroupBy="Week" 

  • Week number according to ISO 8601

GroupBy="Month"

  • Month formatted using DateTime.ToString("MMMM yyyy").

Example: "January 2009"

GroupBy="None"

  • Empty string.

Custom format

See Time Header Customization.