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
 
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