From Clomosy Docs
function DayOfWeek(const DateTime: TclDateTime):Word;
The DayOfWeek function returns an index number for the day of the week :
1 = Sunday
2 = Monday
3 = Tuesday
4 = Wednesday
5 = Thursday
6 = Friday
7 = Saturday
Example
var
myDate : TclDateTime;
day : Integer;
{
myDate = EncodeDate(2023,02,27);
day = DayOfWeek(myDate);
ShowMessage('What day is today: '+IntToStr(day));
}
Output:
What day is today: 2