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

EndOfADay

Calculates a TDateTime value representing the end of a specified day

Declaration

Source position: dateutil.inc line 182

function EndOfADay(

  const AYear: Word;

  const AMonth: Word;

  const ADay: Word

):TDateTime; overload;

function EndOfADay(

  const AYear: Word;

  const ADayOfYear: Word

):TDateTime; overload;

Arguments

AYear

  

Year

AMonth

  

Month in the year

ADay

  

Day in the month

Function result

A TDateTime value representing the time 23:59:59.999 of the given day.

Arguments

AYear

  

Year

ADayOfYear

  

Day of the year

Description

EndOfADay returns a TDateTime value with the date/time indication of the last moment (23:59:59.999) of the day given by AYear, AMonth, ADay.

The day may also be indicated with a AYear, ADayOfYear pair.

See also

StartOfTheDay

  

Calculate the start of the day as a TDateTime value, given a moment in the day.

StartOfADay

  

Return the start of a day as a TDateTime value, given a day indication

StartOfTheWeek

  

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

StartOfAWeek

  

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

StartOfAMonth

  

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

StartOfTheMonth

  

Calculate the first day of the month, given a date in that month.

EndOfTheWeek

  

Calculate a TDateTime value which represents the end of a week, given a date in that week.

EndOfAWeek

  

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

EndOfTheYear

  

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

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.

EndOfAMonth

  

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

EndOfTheDay

  

Calculate a TDateTime value that represents the end of a given day.

Example

Program Example39;

{ This program demonstrates the EndOfADay function }

Uses SysUtils,DateUtils;

Const
  Fmt = '"End of the day : "dd mmmm yyyy hh:nn:ss';

Var
  Y,M,D : Word;

Begin
  Y:=YearOf(Today);
  M:=MonthOf(Today);
  D:=DayOf(Today);
  Writeln(FormatDateTime(Fmt,EndOfADay(Y,M,D)));
  DecodeDateDay(Today,Y,D);
  Writeln(FormatDateTime(Fmt,EndOfADay(Y,D)));
End.

Documentation generated on: May 14 2021