Waning Crescent on

Moon phase on 16 August 2031 Saturday is Waning Crescent, 27 days old Moon is in Leo.

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Moon phase for

Lunar calendar 2031 | August 2031

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

Waning Crescent 3% illuminated

Waning Crescent is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 3% and getting smaller. The 27 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

6 days after Last Quarter

Previous main lunar phase is the Last Quarter before 6 days on 10 August 2031 at 00:24.

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 ♌ Leo

Moon is passing about ∠5° of ♌ Leo tropical zodiac sector.

Apparent angular diameter ∠1771"

Lunar disc appears visually 6.8% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1771" and ∠1895".

Harvest Moon after 15 days

Next Full Moon is the Harvest Moon of September 2031 after 15 days on 1 September 2031 at 09:20.

Upcoming main Moon phases

Moderate tide

There is medium ocean tide on this date. Sun and Moon gravitational forces are not aligned, but meet at very acute angle, so their combined tidal force is moderate.

Lunation 390 / 1343

The Moon is 27 days old. Earth's natural satellite is moving from the second to the final part of current synodic month. This is lunation 390 of Meeus index or 1343 from Brown series.

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Synodic month length 29.62 days

Length of current 390 lunation is 29 days, 14 hours and 52 minutes. It is 37 minutes longer than next lunation 391 length.

Lunation length longer than mean

Length of current synodic month is 2 hours and 8 minutes longer than the mean length of synodic month, but it is still 4 hours and 55 minutes shorter, compared to 21st century longest.

Lunar orbit position on

True anomaly ∠188.7°

This lunation true anomaly is ∠188.7°. At the beginning of next synodic month true anomaly will be ∠213.5°. 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 after apogee

1 day after point of apogee on 14 August 2031 at 21:37 in ♋ Cancer. The lunar orbit is getting closer, while the Moon is moving inward the Earth. It will keep this direction for the next 14 days, until it get to the point of next perigee on 30 August 2031 at 12:53 in ♒ Aquarius.

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Distance to Moon 404 688 km

Moon is 404 688 km (251 461 mi) away from Earth on this date. Moon moves closer next 14 days until perigee, when Earth-Moon distance will reach 361 684 km (224 740 mi).

Moon after descending node

5 days after its descending node on 10 August 2031 at 14:10 in ♉ Taurus, the Moon is following the southern part of its orbit for the next 8 days, until it will cross the ecliptic from South to North in ascending node on 25 August 2031 at 01:21 in ♏ Scorpio.

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Draconic month

18 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

3 days after previous North standstill on 12 August 2031 at 15:58 in ♊ Gemini, when Moon has reached northern declination of ∠20.868°. Next 10 days the lunar orbit moves southward to face South declination of ∠-20.731° in the next southern standstill on 26 August 2031 at 23:55 in ♐ Sagittarius.

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Syzygy in 1 day

After 1 day on 18 August 2031 at 04:32 in ♌ Leo, 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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