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

# EndOfTheDay

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

## Declaration

Source position: dateutil.inc line 179

 function EndOfTheDay( const AValue: TDateTime ):TDateTime;

## Arguments

 AValue Day to calculate the end of

## Function result

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

## Description

EndOfTheDay extracts the date part of AValue and returns a TDateTime value with the date/time indication of the last moment (23:59:59.999) of this day.

 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 EndOfADay Calculates a TDateTime value representing the end of a specified day

## Example

```Program Example37;

{ This program demonstrates the EndOfTheDay function }

Uses SysUtils,DateUtils;

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

Begin
Writeln(FormatDateTime(Fmt,EndOfTheDay(Today)));
End.
```