Relativistic Software Calendars: It’s About Time!
summary
Claim: keeping clocks in sync becomes literally impossible once systems accelerate away from Earth because simultaneity and elapsed time change with velocity. Uses UTC, TC data, and existing datetime libraries (notably MomentJs) and points out none account for relativistic effects. Gives concrete numbers: the tropical year ≈ 365.25 days and examples of leap rules (2004 yes, 2100 no, divisible by 400 yes) and considers velocities like one tenth of light speed, noting GPS uses relativity while general libraries do not.
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