Mega Code Archive

 

Categories / Delphi / Functions

 

Dayoftheyear - 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 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