THURSDAY
THURSDAY = 4
Example
function IsThursday(const Value: TDateTime): Boolean;
begin
Result := DayOfTheWeek(Value) = THURSDAY;
end;
Usage
Represents Thursday as 4 in Velox's Monday-first weekday numbering.
Additional Technical Info
The Velox date-tools importer registers THURSDAY as a signed LongInt. It is value 4 in the fixed Monday-first sequence used by DayOfTheWeek.
SysUtils DayOfWeek returns 5 for Thursday. Use a conversion or the matching constants when a partner/configuration uses Sunday-first numbering.
ISO week-numbering years use the week containing Thursday to determine week-year membership, but this constant alone does not calculate a week number or week-year. Use the documented Decode/WeekOf functions. The example is source-reviewed only; no date was evaluated.
External references
- Embarcadero DayOfTheWeek - Monday-first numbering.
- Free Pascal DayOfTheWeek - compatible numbering.