Due to Einsteinian relativity, time passes differently on the Moon than it does on Earth.
The same can be said for space in general.
UTCs timing is tied to an ensemble of atomic clocks.
An artist’s depiction of the lunar surface, with Earth in the distance.Illustration: Dima Zel (Shutterstock)
One expert told Naturethat a lunar clock would gain about 56 microseconds over the course of an Earth day.
(The White Houses Office of Science and Technology estimated a loss of 58.7 microseconds per day.)
If humans on the Moon operated with normal clocks, they would completely desynchronize from Earth time.
The Artemis program will see a human NASA crew land on the lunar surface.Illustration:NASA
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