StartOfAMonth

Return first date of month, given a year/month pair.

Declaration

Source position: dateutil.inc line 145

  function StartOfAMonth(const AYear: Word; const AMonth: Word)
                         : TDateTime;

Description

StartOfAMonth e returns a TDateTime value with the date of the first day of the month indicated by the AYear, AMonth pair.

See also

Name Description
EndOfAMonth Calculate a TDateTime value representing the last day of the indicated month
EndOfAYear Calculate a TDateTime value representing the last day of a year
EndOfTheMonth Calculate a TDateTime value representing the last day of the month, given a day in that month.
EndOfTheYear Calculate a TDateTime value representing the last day of a year, given a date in that year.
StartOfAWeek Return a day of the week, given a year, week and day in the week.
StartOfTheMonth Calculate the first day of the month, given a date in that month.
StartOfTheWeek Return the first day of the week, given a date.

Example

Program Example30;
{ This program demonstrates the StartOfAMonth function }
Uses SysUtils,DateUtils;
Const
  Fmt = '"First day of this month : "dd mmmm yyyy';
Var
  Y,M : Word;
Begin
  Y:=YearOf(Today);
  M:=MonthOf(Today);
  Writeln(FormatDateTime(Fmt,StartOfAMonth(Y,M)));
End.