On 9/17/13, Lubomír Čabla <kladno at gmail.com> wrote: > I am doing something wrong? Probably rounding errors: DT1:=EncodeDate(2013,5,28)+EncodeTime(15,26,1,0); 2 calculations on floating numbers DT1:=EncodeTime(15,26,1,0); 1 calculation on floating numbers Bart