"That's because clocks on the Red Planet will tick 477 microseconds faster than those on Earth per day. While that might sound small, this will add up to big effects over a long period of time, with Mars slipping 1.7 seconds ahead of Earth every decade, according to physicists from the US National Institute of Standards and Technology (NIST). This strange fact is a consequence of Einstein's laws of general relativity, which show that time doesn't move at the same rate everywhere in the universe."
"Time progresses more slowly in areas where gravity is strong and faster in areas where gravity's pull is weak. On Mars, where the gravity is five times weaker than on Earth, this means astronauts will age slightly faster than their friends back home. Although the difference is just one thousandth of the time it takes for you to blink, it could wreak havoc for Martian colonies' communication and navigation systems."
Clocks on Mars run 477 microseconds faster per day than on Earth because of weaker surface gravity and orbital dynamics. That rate accumulates so Mars drifts about 1.7 seconds ahead of Earth every decade. General relativity predicts time flows slower in stronger gravity and faster where gravity is weaker, causing inhabitants on Mars to age marginally faster than people on Earth. Mars's eccentric orbit and gravitational perturbations from other planets produce large seasonal variations in experienced gravity. Those variations complicate precise timekeeping and could disrupt navigation and communication systems, necessitating a dedicated Martian time standard.
Read at Mail Online
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