With the same .t6 files and LookBack = 0 both outputs are more identical.

Zorro 2.44 (which was installed in a formal 2.40 directory) returns 'Date 200102 07:02:00..'
Zorro 2.46 (and probably Zorro 2.44 in a fresh directory as well) returns 'Date 200102 07:01:00..'.

I'm wondering what's causing this.