Waning Crescent on

Moon phase on 11 September 2031 Thursday is Waning Crescent, 24 days old Moon is in Cancer.

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Moon phase for

Lunar calendar 2031 | September 2031

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

Waning Crescent 24% illuminated

Waning Crescent is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 24% and getting smaller. The 24 days old Moon is in ♋ Cancer.

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Moon phases for next 7 days

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Moon phase and lunation details

2 days after Last Quarter

Previous main lunar phase is the Last Quarter before 2 days on 8 September 2031 at 16:14.

Moonrise and moonset

Moon rises after midnight to early morning and sets in the afternoon. It is visible in the early morning low to the east.

Moon in ♋ Cancer

Moon is passing about ∠19° of ♋ Cancer tropical zodiac sector.

Apparent angular diameter ∠1768"

Lunar disc appears visually 7.5% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1768" and ∠1906".

Harvest Moon after 19 days

Next Full Moon is the Harvest Moon of September 2031 after 19 days on 30 September 2031 at 18:58.

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 391 / 1344

The Moon is 24 days old. Earth's natural satellite is moving from the second to the final part of current synodic month. This is lunation 391 of Meeus index or 1344 from Brown series.

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Synodic month length 29.59 days

Length of current 391 lunation is 29 days, 14 hours and 15 minutes. It is 41 minutes longer than next lunation 392 length.

Lunation length longer than mean

Length of current synodic month is 1 hour and 31 minutes longer than the mean length of synodic month, but it is still 5 hours and 32 minutes shorter, compared to 21st century longest.

Lunar orbit position on

True anomaly ∠213.5°

This lunation true anomaly is ∠213.5°. At the beginning of next synodic month true anomaly will be ∠245.2°. The length of upcoming synodic months will keep decreasing since the true anomaly gets closer to the value of New Moon at point of perigee (∠0° or ∠360°).

Moon in apogee

Moon is reaching point of apogee on this date at 11:54, this is 11 days after last perigee on 30 August 2031 at 12:53 in ♒ Aquarius. Lunar orbit is starting to get closer, while the Moon is moving inward the Earth for 15 days ahead, until it will get to the point of next perigee on 27 September 2031 at 07:09 in ♒ Aquarius.

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Distance to Moon 405 006 km

This apogee Moon is 405 006 km (251 659 mi) away from Earth. It is 402 km farther than the mean apogee distance, but it is still 1 703 km closer than the farthest apogee of 21st century.

Moon after descending node

4 days after its descending node on 6 September 2031 at 16:34 in ♉ Taurus, the Moon is following the southern part of its orbit for the next 9 days, until it will cross the ecliptic from South to North in ascending node on 21 September 2031 at 02:24 in ♏ Scorpio.

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Draconic month

17 days after beginning of current draconic month in ♏ Scorpio, the Moon is moving from the second to the final part of it.

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Moon after northern standstill

2 days after previous North standstill on 8 September 2031 at 23:27 in ♊ Gemini, when Moon has reached northern declination of ∠20.623°. Next 11 days the lunar orbit moves southward to face South declination of ∠-20.501° in the next southern standstill on 23 September 2031 at 05:46 in ♐ Sagittarius.

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Syzygy in 5 days

After 5 days on 16 September 2031 at 18:47 in ♍ Virgo, 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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