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HR 2313In CommitteeFederalhouse

Celestial Time Standardization Act

Introduced March 25, 2025Last action April 29, 2025
View official bill

Legislative Progress

Introduced
Referred
Committee
Floor Vote
Passed Chamber
Passed Both
Enrolled
Signed

Plain English Summary

AI-generated

# Summary of the Celestial Time Standardization Act

This bill would direct the United States to take a leading role in establishing an official timekeeping system for the Moon and potentially other celestial bodies. Just as we have standardized time zones on Earth (like Eastern, Central, and Pacific time), this bill recognizes that as more countries and private companies plan missions to the Moon and beyond, there needs to be an agreed-upon way to track and coordinate time in space. The bill would task a relevant federal agency — likely NASA or the National Institute of Standards and Technology — with developing a standard "celestial time" framework.

The need for this kind of standardization comes from the fact that time actually passes at a slightly different rate on the Moon than on Earth due to differences in gravity, as described by Einstein's theory of relativity. While the difference is tiny, it matters enormously for precise navigation, communication, and coordination between spacecraft, lunar bases, and Earth-based mission control. Without a shared time standard, missions from different countries or companies could face serious technical problems trying to work together or even communicate accurately.

This bill would primarily affect federal agencies involved in space exploration and timekeeping standards, as well as private aerospace companies operating in space. It could also influence international negotiations, as the United States would be positioning itself to help shape how the global space community agrees to measure time beyond Earth. The legislation reflects the growing reality that multiple nations and private entities are planning sustained activities on the Moon, making coordinated timekeeping a practical necessity rather than a theoretical question.

This summary is AI-generated for informational purposes. Always refer to the official bill text for legal accuracy.

Latest Action

Ordered to be Reported by Voice Vote.

April 29, 2025

Sponsor

R
Rep. McClellan, Jennifer L. [D-VA-4]DVA

Committees

Science

Legislative History

Ordered to be Reported by Voice Vote.

Apr 29, 2025

Committee Consideration and Mark-up Session Held

Apr 29, 2025

Referred to the House Committee on Science, Space, and Technology.

Mar 25, 2025

Introduced in House

Mar 25, 2025

Introduced in House

Mar 25, 2025