...herausfinden, der wievielte Tag im Jahr heute ist?
Autor: Simon Grossenbacher
function GetDays(ADate: TDate): Extended;
var
FirstOfYear: TDateTime;
begin
FirstOfYear := EncodeDate(StrToInt(FormatDateTime('yyyy', now)) - 1, 12, 31);
Result := ADate - FirstOfYear;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
label1.Caption := 'Today is the ' + FloatToStr(GetDays(Date)) + '. day of the year';
end;
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