| [Overview][Constants][Procedures and functions][Index] | 
Determine whether a date is in a leap year.
Source position: dateutil.inc line 96
| function IsInLeapYear( | 
| const AValue: TDateTime | 
| ):Boolean; | 
| AValue | 
 | Date to be checked. | 
True if AValue is in a leap year, False if not.
IsInLeapYear returns True if the year part of AValue is leap year, or False if not.
| 
 | Extract the year from a given date. | |
| 
 | Determine whether a time is PM or AM. | |
| 
 | Check whether a given date is today. | |
| 
 | Check if two date/time indications are the same day. | 
Program Example3; { This program demonstrates the IsInLeapYear function } Uses SysUtils,DateUtils; Begin Writeln('Current year is leap year: ',IsInLeapYear(Date)); End.