[Dx4win] DX4WIN 6.03 Filter - Date+Time

[ARS NZ3O (Byron) FM29fx]

I was trying to EXPORT for LOTW last evening.  My previous
upload included half the QSOs on a given date, so I attempted
to filter on date and time.

When I used time (03:00Z) with the date, I filtered all but 12 QSOs.
When I used date (the exact same one) I got 669 QSOs.  And I
hadn't worked 657 QSOs in the first three hours that day.

Thoughts?

73, Byron