lunation definition

  • noun:
    • the full time that elapses between successive brand-new moons, averaging 29 times, 12 hours, 44 mins; a lunar month.
    • a month of approximately 29.53 days, measured from a lunar stage before return of the exact same stage. Normally, the amount of times between Comprehensive Moons is approximately 29.5306 days. The range days may vary from normal number by over a half day. From Full Moon to another, how many days in a single lunation can differ between 29.272 and 29.833 days.
    • The irregular duration from one new moon before the after that.
    • the time scale of a synodic revolution of moon, or perhaps the time from a single brand new moon to the next; varying long, at different occuring times, from about 291/4 to 295/6 days, the common length becoming 29 d., 12h., 44m., 2.9s.
    • the time scale of a synodic change associated with the moon, or perhaps the time from 1 new moon to a higher.
    • the time scale between consecutive brand-new moons (29.531 times)

Related Sources

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