Epoch (reference date) - Wikipedia, the free encyclopedia

1 Calendars 1.1 Asian national eras 1.2 Religious eras 1.3 Other 2 Astronomy 2.1 J2000.0 3 Computing 3.1 Notable epoch dates in computing 3.2 Problems with epoch-based computer time representation 3.3 Epoch in satellite-based time systems 4 See also 5 Not

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