Quote from: wp on April 07, 2020, 12:23:04 amIn fact, the "OffsetDay" is one day earlier, Dec 30, 1899. I never understood why it was selected like that.Oops - remembered wrong date. Thanx!Perhaps the Dec 30, 1899 was the Birthday of the grandpa of Anders Hejlsberg?You'll never know.
In fact, the "OffsetDay" is one day earlier, Dec 30, 1899. I never understood why it was selected like that.
Perhaps the Dec 30, 1899 was the Birthday of the grandpa of Anders Hejlsberg?You'll never know.
The base date for TDateTime is based on the one used by Visual Basic (as this is also used for OLE datetimes) which in turn is based on Excel which in turn is based on Lotus 123. See here.