Astronomy and Calendars

  1. NASA — Information on astronomical phenomena and space operations.
  2. U.S. Naval Observatory — Provide Universal Coordinated Time service.
  3. Atomic Clock Sync — Software to set and synchronize system time to Universal Coordinated Time.
  4. National Space Society — Seek human colonization of space.

What you can do to help

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Maintained: Constitution Society
Original date: 1995 October 15 — Updated: 2001 October 21