Last Quarter on

Moon phase on 15 February 2031 Saturday is Last Quarter, 22 days old Moon is in Sagittarius.

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Moon phase for

Lunar calendar 2031 | February 2031

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

Last Quarter 44% illuminated

Last Quarter is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 44% and getting smaller. The 22 days old Moon is in ♐ Sagittarius.

* The exact date and time of this Last Quarter phase is on 14 February 2031 at 22:50 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 midnight and sets at noon. It is visible to the south in the morning.

Moon is entering ♐ Sagittarius

Moon is passing first ∠4° of ♐ Sagittarius tropical zodiac sector.

Apparent angular diameter ∠1963"

Lunar disc appears visually 1% wider than solar disc. Moon and Sun apparent angular diameters are ∠1963" and ∠1942".

Worm Moon after 21 days

Next Full Moon is the Worm Moon of March 2031 after 21 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 22 days old. Earth's natural satellite is moving through 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

Length of current 384 lunation is 29 days, 11 hours and 18 minutes. It is 42 minutes shorter than next lunation 385 length.

Lunation length shorter than mean

Length of current synodic month is 1 hour and 26 minutes shorter than the mean length of synodic month, but it is still 4 hours and 43 minutes longer, compared to 21st century shortest.

Lunar orbit position on

True anomaly ∠21.6°

This New Moon true anomaly is ∠21.6°. At beginning of next synodic month true anomaly will be ∠41.9°. 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 before perigee

12 days after point of apogee on 2 February 2031 at 23:45 in ♊ Gemini. The lunar orbit is getting closer, while the Moon is moving inward the Earth. It will keep this direction for the next 3 days, until it get to the point of next perigee on 19 February 2031 at 00:35 in ♒ Aquarius.

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Distance to Moon 365 217 km

Moon is 365 217 km (226 935 mi) away from Earth on this date. Moon moves closer next 3 days until perigee, when Earth-Moon distance will reach 364 745 km (226 642 mi).

Moon in ascending node

Moon is in ascending node in ♐ Sagittarius at 11:21 on this date, it crosses the ecliptic from South to North. Moon will follow the northern part of its orbit for the next 12 days to meet descending node on 28 February 2031 at 11:02 in ♊ Gemini.

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New draconic month

At 11:21 on this date the Moon is completing its previous draconic month and is entering the new one.


Moon before southern standstill

12 days after previous North standstill on 2 February 2031 at 12:52 in ♊ Gemini, when Moon has reached northern declination of ∠21.745°. Next day the lunar orbit moves southward to face South declination of ∠-21.615° in the next southern standstill on 16 February 2031 at 13:25 in ♐ Sagittarius.

Previous standstillNext standstill

Syzygy in 6 days

After 6 days on 21 February 2031 at 15:49 in ♒ Aquarius, the Moon will be in New Moon geocentric conjunction with the Sun and this alignment forms next Sun-Moon-Earth syzygy.

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