DateUtils.DecodeDateWeek Function

Returns the year, week of the year, and day of the week for a specified TDateTime value object.

Pascal

procedure DecodeDateWeek(const AValue: TDateTime; out AYear: Word; out AWeekOfYear: Word; out ADayOfWeek: Word);

C++

DecodeDateWeek(const TDateTime AValue, Word AYear, Word AWeekOfYear, Word ADayOfWeek);

File

DateUtils

Description

DecodeDateWeek returns the day of the week and week of the year for a specified date/time value, along with the year in which that day and week occur.

AValue is the date/time value about which you want information.

AYear returns the year that AValue represents.

AWeekOfYear returns the week within AYear that AValue represents, where 1 is the first week with four or more days.

ADayOfWeek returns the day within AWeekOfYear that AValue represents, where 1 Monday and 7 is Sunday.

Note: The definitions for AWeekOfYear and ADayOfWeek follow the ISO 8601 standard.

Tip: To make the ADayOfWeek value more readable, use the Day of week constants.