Waning Gibbous on

Moon phase on 31 December 2031 Wednesday is Waning Gibbous, 17 days old Moon is in Leo.

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Moon phase for

Lunar calendar 2031 | December 2031

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

Waning Gibbous 93% illuminated

Waning Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 93% and getting smaller. The 17 days old Moon is in ♌ Leo.

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Moon phases for next 7 days

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Moon phase and lunation details

2 days after Full Moon

Previous main lunar phase is the Full Moon before 2 days on 28 December 2031 at 17:33.

Moonrise and moonset

Moon rises in the evening and sets in the morning. It is visible to the southwest and it is high in the sky after midnight.

Moon in ♌ Leo

Moon is passing about ∠10° of ♌ Leo tropical zodiac sector.

Apparent angular diameter ∠1768"

Lunar disc appears visually 9.9% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1768" and ∠1951".

Cold Moon before 2 days

Next Full Moon is the Wolf Moon of January 2032 after 27 days on 27 January 2032 at 12:52.

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 395 / 1348

The Moon is 17 days old. Earth's natural satellite is moving from the middle to the last part of current synodic month. This is lunation 395 of Meeus index or 1348 from Brown series.

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Synodic month length 29.46 days

The length of the lunation is 29 days, 11 hours and 1 minute. This is the year's shortest synodic month of 2031. It is 43 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 shorter than mean

The length of the current synodic month is 1 hour and 43 minutes shorter than the mean synodic month length. It is 4 hours and 26 minutes longer compared to 21st century's shortest synodic month length.

Lunar orbit position on

True anomaly ∠334.7°

At the beginning of the lunation cycle the true anomaly is ∠334.7°. At the beginning of next synodic month the true anomaly is going to be ∠351.6°.

Moon at apogee

Moon is at apogee at 13:16. It is 15 days after previous perigee on 15 December 2031 at 21:31 in ♑ Capricorn. Lunar orbit is going to narrow while the Moon is moving towards the Earth over the next 12 days, until point of next perigee on 13 January 2032 at 07:55 in ♑ Capricorn.

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Distance to Moon 406 203 km

This apogee Moon is 406 203 km (252 403 mi) away from Earth. It is 795 km further than the mean apogee distance, but it is still 506 km closer than the farthest apogee of 21st century.

Moon after descending node

6 days after descending node on 24 December 2031 at 18:44 in ♉ Taurus. The Moon is located south of the ecliptic over the following 7 days, until the lunar orbit crosses from South to North in ascending node on 8 January 2032 at 08:58 in ♏ Scorpio.

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Draconic month

19 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 after northern standstill

4 days since the previous standstill on 27 December 2031 at 07:41 in ♊ Gemini when the Moon has reached North declination of ∠20.355°, the lunar orbit is extending southward over the next 10 days to face maximum declination of ∠-20.298° at the point of next southern standstill on 10 January 2032 at 16:49 in ♐ Sagittarius.

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Syzygy in 12 days

In 12 days on 12 January 2032 at 20:07 in ♑ Capricorn the Moon is going to be in a New Moon geocentric conjunction with the Sun and thus forming the next Sun-Moon-Earth syzygy alignment.

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