DayNamedate - any calendar dateDayName(Date(10;5;2010)) returns Tuesday.DayName(ProjectDue) returns Tuesday when ProjectDue is 10/5/2010.DayName(“10/5/2010”) returns Tuesday.“Return your selection by ” & DayName(DueDate) displays the text Return your selection by followed by the name of the day stored in DueDate.Important To avoid errors when using dates, always use four-digit years. For more information about how FileMaker Pro handles two-digit dates, see Conversion of dates with two-digit years.