First Quarter on

Moon phase on 28 June 2031 Saturday is First Quarter, 8 days young Moon is in Libra.

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Moon phase for

Lunar calendar 2031 | June 2031

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

First Quarter 55% illuminated

First Quarter is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 55% and growing larger. The 8 days young Moon is in ♎ Libra.

* The exact date and time of this First Quarter phase is on 28 June 2031 at 00:19 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 ∠12° of ♎ Libra tropical zodiac sector.

Apparent angular diameter ∠1867"

Lunar disc appears visually 1.1% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1867" and ∠1887".

Buck Moon after 6 days

Next Full Moon is the Buck Moon of July 2031 after 6 days on 4 July 2031 at 19:01.

Upcoming main Moon phases

  • Full Moon in Capricorn ♑ on 4 July 2031 at 19:01
  • Last Quarter in Aries ♈ on 11 July 2031 at 11:50
  • New Moon in Cancer ♋ on 19 July 2031 at 13:40
  • First Quarter in Scorpio ♏ on 27 July 2031 at 10:35

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 389 / 1342

The Moon is 8 days young. Earth's natural satellite is moving through the first part of current synodic month. This is lunation 389 of Meeus index or 1342 from Brown series.

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Synodic month length 29.64 days

The length of the lunation is 29 days, 15 hours and 16 minutes. This is the year's longest synodic month of 2031. It is 24 minutes longer than the next lunation's length. The lengths of the following synodic months are going to decreasing with the true anomaly getting closer to the value it has at the point of New Moon at perigee (∠0° or ∠360°).

Lunation length longer than mean

The length of the current synodic month is 2 hours and 31 minutes longer than the mean synodic month length. It is 4 hours and 31 minutes shorter compared to 21st century's longest synodic month length.

Lunar orbit position on

True anomaly ∠165.9°

At the beginning of the lunation cycle the true anomaly is ∠165.9°. At the beginning of next synodic month the true anomaly is going to be ∠188.7°.

Moon before apogee

7 days after point of apogee on 21 June 2031 at 11:25 in ♋ Cancer. The lunar orbit is getting narrow, while the Moon is moving towards the Earth. It will keep this direction over the next 6 days, until the Moon reaches the point of next perigee on 4 July 2031 at 21:14 in ♑ Capricorn.

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Distance to Moon 384 007 km

The Moon is 384 007 km (238 611 mi) away from Earth and getting closer over the next 6 days until the point perigee when Earth-Moon distance is going to be 357 008 km (221 834 mi).

Moon before ascending node

11 days after descending node on 17 June 2031 at 09:18 in ♉ Taurus. The Moon is located south of the ecliptic over the following 3 days, until the lunar orbit crosses from South to North in ascending node on 1 July 2031 at 18:35 in ♏ Scorpio.

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Draconic month

24 days since the beginning of current draconic month in ♏ Scorpio, the Moon is navigating from the second to the final part of the cycle.

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Moon before southern standstill

9 days since the previous standstill on 19 June 2031 at 02:22 in ♊ Gemini when the Moon has reached North declination of ∠21.105°, the lunar orbit is extending southward over the next 4 days to face maximum declination of ∠-21.077° at the point of next southern standstill on 3 July 2031 at 05:15 in ♐ Sagittarius.

Previous standstillNext standstill

Syzygy in 6 days

In 6 days on 4 July 2031 at 19:01 in ♑ Capricorn the Moon is going to be in a Full Moon geocentric opposition with the Sun and thus forming the next Sun-Earth-Moon syzygy alignment.

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