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  1. Lunar month - Wikipedia

    There are several types of lunar month. The term lunar month usually refers to the synodic month because it is the cycle of the visible phases of the Moon. Most of the following types of lunar …

  2. LUNATION Definition & Meaning - Merriam-Webster

    The meaning of LUNATION is the period of time averaging 29 days, 12 hours, 44 minutes, and 2.8 seconds elapsing between two successive new moons.

  3. Lunation -- from Eric Weisstein's World of Astronomy - Wolfram

    More specifically, a lunation is also commonly defined as the mean time between successive new moons. However, as a result of torques from the Sun, the actual time interval between …

  4. What is a Lunar Month? - timeanddate.com

    Mar 31, 2025 · A lunar month, or a lunar cycle, is also known as a lunation. The astronomical term is a synodic month, from the Greek term synodos, meaning meeting or conjunction.

  5. Lunation and lunation number – Royal Observatory of Belgium ...

    A lunation, or lunar month, is the time it takes the Moon to pass through all of the Moon phases, measured from one new moon to the next New Moon. The astronomical term for a lunation is …

  6. LUNATION | English meaning - Cambridge Dictionary

    Their measurements showed that the radio emission from the whole disc of the moon varied during a lunation. Lunations were selected for which full moon fell within ten days of the vernal …

  7. lunation - Wiktionary, the free dictionary

    Dec 11, 2025 · The Lunar Calendar bases its months bases its months on lunations or 28 day lunar cycles, giving us thirteen in a calendar year. The irregular period from one new moon …

  8. Learning about Lunations – Nora's Guide to the Galaxy

    The average lunation is 29.530590278 days, but any individual lunation might vary from that amount by several hours. In fact, if we look at how the duration of lunations vary over time, we …

  9. LUNATION Definition & Meaning | Dictionary.com

    LUNATION definition: the period of time from one new moon to the next (about 29½ days); a lunar month. See examples of lunation used in a sentence.

  10. lunation, n. meanings, etymology and more | Oxford English …

    lunation, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary