DaysInMonth

Return the number of days in the month in which a date occurs.

Declaration

Source position: dateutil.inc line 100

  function DaysInMonth(const AValue: TDateTime) : Word;

Description

DaysInMonth returns the number of days in the month in which AValue falls. The return value takes leap years into account.

See also

Name	Description
DaysInAMonth	Number of days in a month of a certain year.
DaysInAYear	Number of days in a particular year.
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 Example16;
{ This program demonstrates the DaysInMonth 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 ',DaysInMonth(EncodeDate(Y,M,1)),' days.');
End.