Memorial Day - Last Monday in May
function MemorialDay(TargetYear: Integer): TDate;
var
MondayCount: Integer;
TargetDate: TDate;
begin
MemorialDay := 0;
MondayCount := 0;
TargetDate := 0;
TargetDate := StrToDate('5/31/'+IntToStr(TargetYear));
MondayCount := 0;
If DayOfTheWeek(TargetDate) = 1 then MondayCount := 1; //1 = Monday
If MondayCount = 0 then
begin
repeat
TargetDate := TargetDate - 1;
If DayOfTheWeek(TargetDate) = 1 then MondayCount := MondayCount + 1;
until MondayCount = 1;
end;
MemorialDay := TargetDate;
end;
The procedure below uses the function shown above to retrieve Labor Day for a range of years. The FormatDateTime function can be used to format the date in any way desired.
procedure TForm1.Button1Click(Sender: TObject);
var
Year: Integer;
begin
For Year := 2000 to 2100 do
begin
Memo1.Lines.Add(FormatDateTime('dddd, mmmm d, yyyy', MemorialDay(Year)));
end;
end;
Posted: Saturday, December 7, 2024