An advantage of knowing the time zone is that it could make it easier to do multiple moves per day. Perhaps gameknot could automatically calculate the time zone for each player and have a yes/no button for whether the player wants it displayed.
I do know that knowing my recently added co-captain’s time zone has a good advantage of me being able to start matches when they are offline, and vice versa. Not sure if Gameknot would consider this, but who knows.
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