Karachi is 10 hours ahead of Dallas

There is no standard 8-to-6 overlap. Someone joins early or late.

Don't expect an easy slot here: Dallas and Karachi are 10 hours apart, with no overlap across conventional business hours. A shared overlap of zero doesn't mean zero collaboration; it just means leaning harder on documentation and clear ownership. A quick caveat — Dallas's clocks move for daylight saving and Karachi's don't, so the times here are right for only part of the year.