| [Overview][Constants][Procedures and functions][Index] | 
Return the number of days in the year in which a date occurs.
Source position: dateutil.inc line 111
function DaysInYear(  | 
const AValue: TDateTime  | 
):Word;  | 
AValue  | 
  | 
Date in year of which to calculate the number of days.  | 
Number of days in the year in which AValue occurs.
daysInYear returns the number of days in the year part of AValue. The return value is either 365 or 366.
  | 
Return the number of weeks in a given year  | 
|
  | 
return the number of weeks in the year, given a date  | 
|
  | 
Number of days in a particular year.  | 
|
  | 
Return the number of days in the month in which a date occurs.  | 
|
  | 
Number of days in a month of a certain year.  | 
Program Example14; { This program demonstrates the DaysInYear function } Uses SysUtils,DateUtils; Var Y : Word; Begin For Y:=1992 to 2010 do Writeln(Y,' has ',DaysInYear(EncodeDate(Y,1,1)),' days.'); End.