First Quarter on

Moon phase on 24 October 2031 Friday is First Quarter, 9 days young Moon is in Aquarius.

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Moon phase for

Lunar calendar 2031 | October 2031

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

First Quarter 63% illuminated

First Quarter is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 63% and growing larger. The 9 days young Moon is in ♒ Aquarius.

* The exact date and time of this First Quarter phase is on 23 October 2031 at 07:36 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 ♒ Aquarius

Moon is passing about ∠16° of ♒ Aquarius tropical zodiac sector.

Apparent angular diameter ∠1967"

Lunar disc appears visually 1.9% wider than solar disc. Moon and Sun apparent angular diameters are ∠1967" and ∠1929".

Hunter Moon after 5 days

Next Full Moon is the Hunter Moon of October 2031 after 5 days on 30 October 2031 at 07:33.

Upcoming main Moon phases

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 393 / 1346

The Moon is 9 days young. Earth's natural satellite is moving through the first part of current synodic month. This is lunation 393 of Meeus index or 1346 from Brown series.

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Synodic month length 29.53 days

The length of the lunation is 29 days, 12 hours and 49 minutes. It is 53 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 5 minutes longer than the mean synodic month length. It is 6 hours and 58 minutes shorter compared to 21st century's longest synodic month length.

Lunar orbit position on

True anomaly ∠281.8°

At the beginning of the lunation cycle the true anomaly is ∠281.8°. At the beginning of next synodic month the true anomaly is going to be ∠312.6°.

Moon after perigee

1 day after point of perigee on 22 October 2031 at 20:06 in ♑ Capricorn. The lunar orbit is getting widen, while the Moon is moving away from the Earth. It will keep this direction over the next 12 days, until the Moon reaches the point of next apogee on 6 November 2031 at 02:45 in ♌ Leo.

Previous perigeeNext apogee

Distance to Moon 364 360 km

The Moon is 364 360 km (226 403 mi) away from Earth and getting further over the next 12 days until the point apogee when Earth-Moon distance is going to be 404 522 km (251 358 mi).

Moon after ascending node

6 days after ascending node on 18 October 2031 at 06:54 in ♏ Scorpio. The Moon is located north of the ecliptic over the following 6 days, until the lunar orbit crosses from North to South in descending node on 31 October 2031 at 06:09 in ♉ Taurus.

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Draconic month

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

PreviousCurrent draconic monthNext

Moon after southern standstill

4 days since the previous standstill on 20 October 2031 at 11:06 in ♐ Sagittarius when the Moon has reached South declination of ∠-20.359°, the lunar orbit is extending northward over the next 9 days to face maximum declination of ∠20.333° at the point of next northern standstill on 2 November 2031 at 15:55 in ♊ Gemini.

Previous standstillNext standstill

Syzygy in 5 days

In 5 days on 30 October 2031 at 07:33 in ♉ Taurus 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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