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[Overview][Constants][Procedures and functions] Reference for unit 'dateutils' (#rtl)

StartOfAYear

Return the first day of a given year.

Declaration

Source position: dateutil.inc line 134

function StartOfAYear(

  const AYear: Word

):TDateTime;

Arguments

AYear

  

Year to get first date from.

Function result

First day of AYear as a TDateTime

Description

StartOfAYear returns a TDateTime value with the date of the first day of the year AYear (January 1).

See also

StartOfTheYear

  

Return the first day of the year, given a date in this year.

EndOfTheYear

  

Calculate a DateTime value representing the last day of a year, given a date in that year.

EndOfAYear

  

Calculate a DateTime value representing the last day of a year

EndOfTheMonth

  

Calculate a DateTime value representing the last day of the month, given a day in that month.

EndOfAMonth

  

Calculate a datetime value representing the last day of the indicated month

StartOfAWeek

  

Return a day of the week, given a year, week and day in the week.

StartOfTheWeek

  

Return the first day of the week, given a date.

Example

Program Example26;

{ This program demonstrates the StartOfAYear function }

Uses SysUtils,DateUtils;

Const
  Fmt = '"First day of this year : "dd mmmm yyyy';

Begin
  Writeln(FormatDateTime(Fmt,StartOfAYear(YearOf(Today))));
End.

Notes

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