Space agencies seek lunar time standard; relativity causes 58.7 µs/day drift

At least eight space agencies, including NASA, are working to establish a standardized time reference for the Moon, as general relativity causes clocks there to run faster than on Earth by about 58.7 microseconds per day. The effort is driven by the need for precise navigation and coordination for future lunar missions. The technical approach remains under discussion, with no consensus yet on implementation.

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