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H.R. 2313

BillFederalHouseReported
Celestial Time Standardization Act
About This Bill
Floor Vote
Latest Action · April 29, 2025
Ordered to be Reported by Voice Vote.
Congress
119th (2025–2027)
Introduced
March 25, 2025
Cosponsors (1)
0D 1R
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Summary

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The Celestial Time Standardization Act requires NASA to develop a new timekeeping system for operations on the Moon and other celestial bodies beyond Earth. Current timekeeping systems designed for Earth encounter problems when used in space due to relativistic effects, so NASA must lead an effort to create a "coordinated lunar time" that would allow different spacecraft, equipment, and international partners to coordinate seamlessly. The bill tasks NASA with consulting other federal agencies, private companies, academic institutions, and international standards bodies to develop this system, ensuring it can be traced back to standard Earth time, supports precise navigation, can operate independently if contact with Earth is lost, and can eventually extend to other deep space environments. Within two years of the bill's enactment, NASA must brief Congress on its strategy for implementing this lunar time system, including necessary timelines and resources.

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