Reference for package '#rtl'

DaysInAMonth

Number of days in a month of a certain year.

Declaration

Source position: dateutil.inc line 101

  function DaysInAMonth(const AYear: Word; const AMonth: Word) : Word;

Description

DaysInYMonth returns the number of days in the month AMonth in the yearAYear. The return value takes leap years into account.

See also

Name Description
DaysInAYear Number of days in a particular year.
DaysInMonth Return the number of days in the month in which a date occurs.
DaysInYear Return the number of days in the year in which a date occurs.
WeeksInAYear Return the number of weeks in a given year
WeeksInYear return the number of weeks in the year, given a date

Example

Program Example17;
{ This program demonstrates the DaysInAMonth function }
Uses SysUtils,DateUtils;
Var
  Y,M : Word;
Begin
  For Y:=1992 to 2010 do
    For M:=1 to 12 do
      Writeln(LongMonthNames[m],' ',Y,' has ',DaysInAMonth(Y,M),' days.');
End.