Skip to content

IsInLeapYear

Determine whether a date is in a leap year.

Declaration

Source position: dateutil.inc line 105

function IsInLeapYear(const AValue: TDateTime) : Boolean;

Arguments

Name Description
AValue Date to be checked.

Function result

True if AValue is in a leap year, False if not.

Description

IsInLeapYear returns True if the year part of AValue is leap year, or False if not.

See also

Name Description
YearOf Extract the year from a given date.
IsPM Determine whether a time is PM or AM.
IsToday Check whether a given date is today.
IsSameDay Check if two date/time indications are the same day.

Example

Program Example3;

{ This program demonstrates the IsInLeapYear function }

Uses SysUtils,DateUtils;

Begin
  Writeln('Current year is leap year: ',IsInLeapYear(Date));
End.