Sigh. In Russia there are 11 time zones. When somebody moves from Irkutsk to Chelyabinsk by train, the arrival and departure times for trains on all stations a

Sigh. In Russia there are 11 time zones. When somebody moves from Irkutsk to Chelyabinsk by train, the arrival and departure times for trains on all stations are _always_ stated in Moscow time zone. Scott Aaronson haven't visited International Space Station yet. Do you guys know what time system is used on board of ISS? And how they arrange time of the meetings with somebody on Earth?..