Waning Crescent on

Moon phase on 31 August 2051 Thursday is Waning Crescent, 25 days old Moon is in Cancer.

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Moon phase for

Lunar calendar 2051 | August 2051

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

Waning Crescent 21% illuminated

Waning Crescent is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 21% and getting smaller. The 25 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 28 August 2051 at 17:29.

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 ∠13° of ♋ Cancer tropical zodiac sector.

Apparent angular diameter ∠1891"

Lunar disc appears visually 0.5% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1891" and ∠1901".

Harvest Moon after 19 days

Next Full Moon is the Harvest Moon of September 2051 after 19 days on 20 September 2051 at 10:11.

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 638 / 1591

The Moon is 25 days old. Earth's natural satellite is moving from the second to the final part of current synodic month. This is lunation 638 of Meeus index or 1591 from Brown series.

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Synodic month length 29.56 days

Length of current 638 lunation is 29 days, 13 hours and 28 minutes. It is 2 hours and 46 minutes shorter than next lunation 639 length.

Lunation length longer than mean

Length of current synodic month is 44 minutes longer than the mean length of synodic month, but it is still 6 hours and 19 minutes shorter, compared to 21st century longest.

Lunar orbit position on

True anomaly ∠104.1°

This New Moon true anomaly is ∠104.1°. At beginning of next synodic month true anomaly will be ∠137°. 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 after perigee

7 days after point of perigee on 24 August 2051 at 08:43 in ♈ Aries. The lunar orbit is getting wider, while the Moon is moving outward the Earth. It will keep this direction for the next 8 days, until it get to the point of next apogee on 9 September 2051 at 04:18 in ♏ Scorpio.

Previous perigeeNext apogee

Distance to Moon 378 959 km

Moon is 378 959 km (235 474 mi) away from Earth on this date. Moon moves farther next 8 days until apogee, when Earth-Moon distance will reach 405 670 km (252 072 mi).

Moon after descending node

5 days after its descending node on 25 August 2051 at 20:56 in ♈ Aries, 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 8 September 2051 at 15:18 in ♎ Libra.

Previous nodeNext node

Draconic month

19 days after beginning of current draconic month in ♎ Libra, the Moon is moving from the second to the final part of it.

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Moon after northern standstill

1 day after previous North standstill on 30 August 2051 at 01:37 in ♊ Gemini, when Moon has reached northern declination of ∠18.858°. Next 13 days the lunar orbit moves southward to face South declination of ∠-18.758° in the next southern standstill on 13 September 2051 at 15:30 in ♐ Sagittarius.

Previous standstillNext standstill

Syzygy in 4 days

After 4 days on 5 September 2051 at 04:33 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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