First Quarter on

Moon phase on 15 July 2051 Saturday is First Quarter, 7 days young Moon is in Libra.

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Moon phase for

Lunar calendar 2051 | July 2051

First Quarter phase
First Quarter phase
Image credit: NASA/Goddard Space Flight Center Scientific Visualization Studio.

First Quarter 46% illuminated

First Quarter is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 46% and growing larger. The 7 days young Moon is in ♎ Libra.

* The exact date and time of this First Quarter phase is on 15 July 2051 at 23:21 UTC.

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Moon phases for next 7 days

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Moon phase and lunation details

Moonrise and moonset

Moon rises at noon and sets at midnight. It is visible high in the southern sky in early evening.

Moon in ♎ Libra

Moon is passing about ∠18° of ♎ Libra tropical zodiac sector.

Apparent angular diameter ∠1768"

Lunar disc appears visually 6.6% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1768" and ∠1888".

Buck Moon after 8 days

Next Full Moon is the Buck Moon of July 2051 after 8 days on 23 July 2051 at 16:36.

Upcoming main Moon phases

  • Full Moon in Capricorn ♑ on 23 July 2051 at 16:36
  • Last Quarter in Taurus ♉ on 30 July 2051 at 11:52
  • New Moon in Leo ♌ on 6 August 2051 at 15:05
  • First Quarter in Scorpio ♏ on 14 August 2051 at 16:49

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 637 / 1590

The Moon is 7 days young. Earth's natural satellite is moving through the first part of current synodic month. This is lunation 637 of Meeus index or 1590 from Brown series.

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Synodic month length 29.46 days

Length of current 637 lunation is 29 days, 10 hours and 56 minutes. It is 2 hours and 32 minutes shorter than next lunation 638 length.

Lunation length shorter than mean

Length of current synodic month is 1 hour and 48 minutes shorter than the mean length of synodic month, but it is still 4 hours and 21 minutes longer, compared to 21st century shortest.

Lunar orbit position on

True anomaly ∠70.2°

This New Moon true anomaly is ∠70.2°. At beginning of next synodic month true anomaly will be ∠104.1°. 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 16:49, this is 12 days after last perigee on 2 July 2051 at 20:59 in ♈ Aries. Lunar orbit is starting to get closer, while the Moon is moving inward the Earth for 12 days ahead, until it will get to the point of next perigee on 28 July 2051 at 00:46 in ♈ Aries.

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Distance to Moon 404 065 km

This apogee Moon is 404 065 km (251 074 mi) away from Earth. This is the year's closest apogee of 2051. It is 1 343 km farther than the mean apogee distance, but it is still 14 km closer than the farthest apogee of 21st century.

Moon before ascending node

12 days after its descending node on 2 July 2051 at 17:54 in ♈ Aries, 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 16 July 2051 at 09:35 in ♎ Libra.

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Draconic month

26 days after beginning of current draconic month in ♏ Scorpio, the Moon is moving from the second to the final part of it.

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Moon before southern standstill

9 days after previous North standstill on 6 July 2051 at 11:58 in ♊ Gemini, when Moon has reached northern declination of ∠19.198°. Next 5 days the lunar orbit moves southward to face South declination of ∠-19.133° in the next southern standstill on 20 July 2051 at 20:52 in ♐ Sagittarius.

Previous standstillNext standstill

Syzygy in 8 days

After 8 days on 23 July 2051 at 16:36 in ♑ Capricorn, 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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