IsDateLeapYear

STD.Date.IsDateLeapYear( date )

dateA date in Date_t format. (An UNSIGNED4 containing a date value in YYYYMMDD format.)
Return:IsDateLeapYear returns a BOOLEAN value.

The IsDateLeapYear function returns TRUE if the year represented in the date is a leap year in the Gregorian (or proleptic Gregorian) calendar.

Example:

IMPORT STD;
MyDate := 20120112;   //Jan. 12, 2012
  
D := STD.Date.IsDateLeapYear(MyDate);
    //D contains TRUE, 2012 is a leap year