Waxing Gibbous on

Moon phase on 21 May 2051 Sunday is Waxing Gibbous, 11 days young Moon is in Libra.

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Moon phase for

Lunar calendar 2051 | May 2051

Waxing Gibbous phase
Waxing Gibbous phase
Image credit: NASA/Goddard Space Flight Center Scientific Visualization Studio.

Waxing Gibbous 84% illuminated

Waxing Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 84% and growing larger. The 11 days young Moon is in ♎ Libra.

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Moon phases for next 7 days

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Moon phase and lunation details

3 days after First Quarter

Previous main lunar phase is the First Quarter before 3 days on 17 May 2051 at 13:29.

Moonrise and moonset

Moon rises in the afternoon and sets after midnight to early morning. It is visible to the southeast in early evening and it is up for most of the night.

Moon in ♎ Libra

Moon is passing about ∠14° of ♎ Libra tropical zodiac sector.

Apparent angular diameter ∠1768"

Lunar disc appears visually 7% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1768" and ∠1896".

Flower Moon after 4 days

Next Full Moon is the Flower Moon of May 2051 after 4 days on 25 May 2051 at 17:35.

Upcoming main Moon phases

  • Full Moon in Scorpio ♏ on 25 May 2051 at 17:35
  • Last Quarter in Pisces ♓ on 2 June 2051 at 02:15
  • New Moon in Gemini ♊ on 8 June 2051 at 18:56
  • First Quarter in Virgo ♍ on 16 June 2051 at 05:55

Neap tide

There is low ocean tide on this date. Sun and Moon gravitational forces are not aligned, but meet at big angle, so their combined tidal force is weak.

Lunation 635 / 1588

The Moon is 11 days young. Earth's natural satellite is moving from the first to the middle part of current synodic month. This is lunation 635 of Meeus index or 1588 from Brown series.

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Synodic month length 29.35 days

Length of current 635 lunation is 29 days, 8 hours and 27 minutes. This is the year's shortest synodic month of 2051. It is 46 minutes shorter than next lunation 636 length.

Lunation length shorter than mean

Length of current synodic month is 4 hours and 17 minutes shorter than the mean length of synodic month, but it is still 1 hour and 52 minutes longer, compared to 21st century shortest.

Lunar orbit position on

True anomaly ∠23.1°

This New Moon true anomaly is ∠23.1°. At beginning of next synodic month true anomaly will be ∠43.2°. The length of upcoming synodic months will keep increasing since the true anomaly gets closer to the value of New Moon at point of apogee (∠180°).

Moon in apogee

Moon is reaching point of apogee on this date at 04:56, this is 12 days after last perigee on 9 May 2051 at 01:26 in ♈ Aries. Lunar orbit is starting to get closer, while the Moon is moving inward the Earth for 15 days ahead, until it will get to the point of next perigee on 6 June 2051 at 01:20 in ♉ Taurus.

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Distance to Moon 405 251 km

This apogee Moon is 405 251 km (251 811 mi) away from Earth. It is 157 km farther than the mean apogee distance, but it is still 1 458 km closer than the farthest apogee of 21st century.

Moon before ascending node

12 days after its descending node on 9 May 2051 at 06:46 in ♉ Taurus, the Moon is following the southern part of its orbit for the next day, until it will cross the ecliptic from South to North in ascending node on 23 May 2051 at 02:03 in ♏ Scorpio.

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Draconic month

25 days after beginning of current draconic month in ♎ Libra, the Moon is moving from the second to the final part of it.

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Moon before southern standstill

8 days after previous North standstill on 12 May 2051 at 15:20 in ♊ Gemini, when Moon has reached northern declination of ∠19.181°. Next 5 days the lunar orbit moves southward to face South declination of ∠-19.213° in the next southern standstill on 27 May 2051 at 03:09 in ♐ Sagittarius.

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Syzygy in 4 days

After 4 days on 25 May 2051 at 17:35 in ♏ Scorpio, the Moon will be in Full Moon geocentric opposition with the Sun and this alignment forms next Sun-Earth-Moon syzygy.

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