Delphi Basics : DayOfTheYear command

DelphiBasics

DayOfTheYear
Function

Gives the day of the year for a TDateTime value (ISO 8601)

DateUtils unit

function DayOfTheYear(const Date TDateTime):Word;

Description

The DayOfTheYear function returns an index number for the day of the year.

Depending on the year, the value is in the range 1..366

Related commands

DayOfTheMonth		Gives day of month index for a TDateTime value (ISO 8601)
DayOfTheWeek		Gives day of week index for a TDateTime value (ISO 8601)
DayOfWeek		Gives day of week index for a TDateTime value
MonthOfTheYear		Gives the month of the year for a TDateTime value

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Example code : Show the day of the year for a TDateTime variable

var
  myDate : TDateTime;

begin
  myDate := EncodeDate(2002, 10, 29);
  ShowMessage('20/10/2002 day of year  = '+
              IntToStr(DayOfTheYear(myDate)));
end;

Show full unit code

20/10/2002 day of the year = 302