Unit 'DateUtils'	Package
[Overview][Constants][Classes][Procedures and functions][Index]	[#rtl]

DecodeDateDay

Decode a TDateTime value in year and year of day.

Declaration

Source position: dateutil.inc line 345

procedure DecodeDateDay(

const AValue: TDateTime;

out AYear: Word;

out ADayOfYear: Word

);

Arguments

`AValue`		TDateTime to decode.
`AYear`		Returns the year part of `AValue`.
`ADayOfYear`		Returns the day-of-year part of `AValue`.

Description

DecodeDateDay decomposes the date indication in AValue and returns the various components in AYear, ADayOfYear.

EncodeDateTime		Encodes a TDateTime value from all its parts.
EncodeDateMonthWeek		Encodes a year, month, week of month and day of week to a TDateTime value.
EncodeDateWeek		Encode a `TDateTime` value from a year, week and day of week triplet.
EncodeDateDay		Encodes a year and day of year to a TDateTime value.
DecodeDateTime		Decode a TDateTime value in a date and time value.
DecodeDateWeek		Decode a TDateTime value in a week of year and day of week.
DecodeDateMonthWeek		Decode a TDateTime value in a month, week of month and day of week.

Example

Program Example83;

{ This program demonstrates the DecodeDateDay function }

Uses SysUtils,DateUtils;

Var
  Y,DoY : Word;
  TS : TDateTime;

Begin
  DecodeDateDay(Now,Y,DoY);
  TS:=EncodeDateDay(Y,DoY);
  Writeln('Today is : ',DateToStr(TS));
End.

DecodeDateDay

Declaration

Arguments

Description

See also

Example