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

DayOfTheWeek

Extracts the day of the week from a TDateTime value

Declaration

Source position: dateutil.inc line 214

function DayOfTheWeek(

  const AValue: TDateTime

):Word;

Arguments

AValue

  

TDateTime to extract the day of the week from.

Function result

Day of the week from AValue.

Description

DayOfTheWeek returns the number of days that have passed since the start of the week till the moment indicated by AValue. This is a one-based number, i.e. the first day of the week will return 1.

See also

DayOfTheYear

  

Extracts the day of the year from a TDateTime value

DayOfTheMonth

  

Extract the day (of month) part of a TDateTime value

HourOfTheWeek

  

Calculate the number of hours elapsed since the start of the week.

MinuteOfTheWeek

  

Calculate the number of minutes elapsed since the start of the week

SecondOfTheWeek

  

Calculate the number of seconds elapsed since the start of the week

MilliSecondOfTheWeek

  

Calculate the number of milliseconds elapsed since the start of the week

Example

Program Example42;

{ This program demonstrates the WeekOfTheMonth function }

Uses SysUtils,DateUtils;

Var
  N : TDateTime;

Begin
  N:=Now;
  Writeln('Day of the Week         : ',DayOfTheWeek(N));
  Writeln('Hour of the Week        : ',HourOfTheWeek(N));
  Writeln('Minute of the Week      : ',MinuteOfTheWeek(N));
  Writeln('Second of the Week      : ',SecondOfTheWeek(N));
  Writeln('MilliSecond of the Week : ',
          MilliSecondOfTheWeek(N));
End.

Documentation generated on: May 14 2021