China to define lunar time with world’s first timekeeping software for the moon
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New tech allows moon events to be accurately synchronised from Earth, paving the way for more spacecraft and people to work on the satellite.

Chinese researchers have released the world’s first software for lunar timekeeping, a tool designed to support precise navigation and landings as a new global race to the moon gathers pace. Clocks tick faster on the moon than on Earth due to weaker gravity – by about 56 millionths of a second per day. The effect, predicted by Albert Einstein’s theory of general relativity, is tiny but accumulates over time, making Earth time increasingly unreliable for lunar operations. To address this, a team…

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