Osaka is 14 hours ahead of Dallas

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

Dallas and Osaka have no natural overlap. The 14-hour gap is simply too large for regular working hours to meet. Treat the handoff like a relay — Dallas wraps up and leaves notes for Osaka to pick up as their day begins. A quick caveat — Dallas's clocks move for daylight saving and Osaka's don't, so the times here are right for only part of the year.