What does lunar day mean?

Definitions for lunar day
lu·nar day

This dictionary definitions page includes all the possible meanings, example usage and translations of the word lunar day.

Princeton's WordNet

  1. lunar daynoun

    the period of time taken for the moon to make one full rotation on its axis (about 27.3 sidereal days)

Wikipedia

  1. Lunar day

    A lunar day is the period of time for Earth's Moon to complete one rotation on its axis with respect to the Sun. Due to tidal locking, this equals the time that the Moon takes to complete one orbit around Earth (Earth rise to Earth set) plus about 2.2 more Earth days to return to the same Moon phase (due to the Moon's orbit around the Sun). The lunar day is roughly 29 1/2 Earth days, the length of a lunar month, and the time of which includes a full day-night cycle.

ChatGPT

  1. lunar day

    A lunar day is the period of time it takes for the Moon to complete one full rotation on its axis and return to the same phase (from new moon to new moon). This period, also known as a synodic month, lasts approximately 29.5 Earth days.

Wikidata

  1. Lunar day

    A lunar day is the period of time it takes for the Earth's Moon to complete one full rotation on its axis with respect to the Sun. Equivalently, it is the time it takes the Moon to make one complete orbit around the Earth and come back to the same phase. It is marked from a new moon to the next new moon. With respect to the stars, the Moon takes 27 Earth days, 7 hours and 43.2 minutes to complete its orbit; but since the Earth-Moon system advances around the Sun in the meantime, the Moon must travel further to get back to the same phase. On average, this synodic period lasts 29 days, 12 hours, 44 minutes and 3 seconds. This is an average figure, since the speed of the Earth-Moon system around the Sun varies slightly over a year, due to the eccentricity of the orbit. The Moon's own orbit also undergoes a number of periodic variations about its mean value, due to the gravitational perturbations of the Sun.

Dictionary of Nautical Terms

  1. lunar day

    The interval between a departure and return of the moon to the meridian.

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Numerology

  1. Chaldean Numerology

    The numerical value of lunar day in Chaldean Numerology is: 5

  2. Pythagorean Numerology

    The numerical value of lunar day in Pythagorean Numerology is: 6


Translations for lunar day

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"lunar day." Definitions.net. STANDS4 LLC, 2024. Web. 28 Mar. 2024. <https://www.definitions.net/definition/lunar+day>.

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