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System.SysUtils.DayOfWeek

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Delphi

function DayOfWeek(const DateTime: TDateTime): Word;

C++

extern DELPHI_PACKAGE System::Word __fastcall DayOfWeek(const System::TDateTime DateTime);

Contents

Properties

Type Visibility Source Unit Parent
function public
System.SysUtils.pas
System.SysUtils.hpp
System.SysUtils System.SysUtils

Description

Returns the day of the week for a specified date.

DayOfWeek returns the day of the week of the specified date as an integer between 1 and 7, where Sunday is the first day of the week and Saturday is the seventh.

Note: DayOfWeek is not compliant with the ISO 8601 standard, which defines Monday as the first day of the week. For an ISO 8601 compliant version, use the DayOfTheWeek function instead.

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