[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'sysutils' (#rtl)

DayOfWeek

Returns the day of the week.

Declaration

Source position: datih.inc line 117

function DayOfWeek(

  DateTime: TDateTime

):Integer;

Description

DayOfWeek returns the day of the week from DateTime. Sunday is counted as day 1, Saturday is counted as day 7. The result of DayOfWeek can serve as an index to the LongDayNames constant array, to retrieve the name of the day.

Errors

None.

See also

Date

  

Return the current date.

DateToStr

  

Converts a TDateTime value to a date string with a predefined format.

Example

Program Example8;

{ This program demonstrates the DayOfWeek function }

Uses sysutils;

Begin
  Writeln ('Today''s day is ',LongDayNames[DayOfWeek(Date)]);
End.
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