What time zone do they use on the International Space Station?

Time is relative on the ISS, but that doesn't stop it being pinned to a time zone back on Earth.

3rd May 2013
What time zone do they use on the International Space Station? (NASA)

Asked by: Richard O'Neill, Glasgow

International Space Station crews experience a sunset or a sunrise every 45 minutes. New members arrive acclimatised to Kazakhstan time, having departed from the Baikonur Cosmodrome. With so much scope for chronological confusion, it’s no wonder that the ISS needs to be locked to a consistent time. The zone of choice is Coordinated Universal Time (UTC), which is equivalent to GMT.

Image credit: NASA

 


SFQASubscribe to BBC Focus magazine for fascinating new Q&As every month and follow @sciencefocusQA on Twitter for your daily dose of fun facts.

You are currently reading: What time zone do they use on the International Space Station? - 3rd May