Waning Gibbous on

Moon phase on 13 February 2031 Thursday is Waning Gibbous, 20 days old Moon is in Scorpio.

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Moon phase for

Lunar calendar 2031 | February 2031

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

Waning Gibbous 66% illuminated

Waning Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 66% and getting smaller. The 20 days old Moon is in ♏ Scorpio.

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Moon phases for next 7 days

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Moon phase and lunation details

5 days after Full Moon

Previous main lunar phase is the Full Moon before 5 days on 7 February 2031 at 12:46.

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 ♏ Scorpio

Moon is passing about ∠6° of ♏ Scorpio tropical zodiac sector.

Apparent angular diameter ∠1931"

Lunar disc appears visually 0.6% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1931" and ∠1943".

Snow Moon before 5 days

Next Full Moon is the Worm Moon of March 2031 after 23 days on 9 March 2031 at 04:30.

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 384 / 1337

The Moon is 20 days old. Earth's natural satellite is moving from the middle to the last part of current synodic month. This is lunation 384 of Meeus index or 1337 from Brown series.

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Synodic month length 29.47 days

The length of the lunation is 29 days, 11 hours and 18 minutes. It is 42 minutes shorter than the next lunation's length. The lengths of the following synodic months are going to increasing with the true anomaly getting closer to the value it has at the point of New Moon at apogee (∠180°).

Lunation length shorter than mean

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

Lunar orbit position on

True anomaly ∠21.6°

At the beginning of the lunation cycle the true anomaly is ∠21.6°. At the beginning of next synodic month the true anomaly is going to be ∠41.9°.

Moon before apogee

10 days after point of apogee on 2 February 2031 at 23:45 in ♊ Gemini. The lunar orbit is getting narrow, while the Moon is moving towards the Earth. It will keep this direction over the next 5 days, until the Moon reaches the point of next perigee on 19 February 2031 at 00:35 in ♒ Aquarius.

Previous apogeeNext perigee

Distance to Moon 371 241 km

The Moon is 371 241 km (230 678 mi) away from Earth and getting closer over the next 5 days until the point perigee when Earth-Moon distance is going to be 364 745 km (226 642 mi).

Moon before ascending node

12 days after descending node on 1 February 2031 at 09:25 in ♊ Gemini. The Moon is located south of the ecliptic over the following day, until the lunar orbit crosses from South to North in ascending node on 15 February 2031 at 11:21 in ♐ Sagittarius.

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Draconic month

25 days since the beginning of current draconic month in ♐ Sagittarius, the Moon is navigating from the second to the final part of the cycle.

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Moon before southern standstill

10 days since the previous standstill on 2 February 2031 at 12:52 in ♊ Gemini when the Moon has reached North declination of ∠21.745°, the lunar orbit is extending southward over the next 3 days to face maximum declination of ∠-21.615° at the point of next southern standstill on 16 February 2031 at 13:25 in ♐ Sagittarius.

Previous standstillNext standstill

Syzygy in 8 days

In 8 days on 21 February 2031 at 15:49 in ♒ Aquarius 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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