Waning Crescent on

Moon phase on 18 July 2031 Friday is Waning Crescent, 28 days old Moon is in Cancer.

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Moon phase for

Lunar calendar 2031 | July 2031

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

Waning Crescent 1% illuminated

Waning Crescent is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 1% and getting smaller. The 28 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

7 days after Last Quarter

Previous main lunar phase is the Last Quarter before 7 days on 11 July 2031 at 11:50.

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 ∠14° of ♋ Cancer tropical zodiac sector.

Apparent angular diameter ∠1768"

Lunar disc appears visually 6.6% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1768" and ∠1888".

Sturgeon Moon after 15 days

Next Full Moon is the Sturgeon Moon of August 2031 after 15 days on 3 August 2031 at 01:45.

Upcoming main Moon phases

  • New Moon in Cancer ♋ on 19 July 2031 at 13:40
  • First Quarter in Scorpio ♏ on 27 July 2031 at 10:35
  • Full Moon in Aquarius ♒ on 3 August 2031 at 01:45
  • Last Quarter in Taurus ♉ on 10 August 2031 at 00:24

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 389 / 1342

The Moon is 28 days old. Earth's natural satellite is moving from the second to the final part of current synodic month. This is lunation 389 of Meeus index or 1342 from Brown series.

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Synodic month length 29.64 days

Length of current 389 lunation is 29 days, 15 hours and 16 minutes. This is the year's longest synodic month of 2031. It is 24 minutes longer than next lunation 390 length.

Lunation length longer than mean

Length of current synodic month is 2 hours and 31 minutes longer than the mean length of synodic month, but it is still 4 hours and 31 minutes shorter, compared to 21st century longest.

Lunar orbit position on

True anomaly ∠165.9°

This lunation true anomaly is ∠165.9°. At the beginning of next synodic month true anomaly will be ∠188.7°. 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 14:28, this is 13 days after last perigee on 4 July 2031 at 21:14 in ♑ Capricorn. Lunar orbit is starting to get closer, while the Moon is moving inward the Earth for 14 days ahead, until it will get to the point of next perigee on 2 August 2031 at 06:47 in ♑ Capricorn.

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Distance to Moon 406 535 km

This apogee Moon is 406 535 km (252 609 mi) away from Earth. This is the year's farthest apogee of 2031. It is 1 127 km farther than the mean apogee distance, but it is still 174 km closer than the farthest apogee of 21st century.

Moon after descending node

3 days after its descending node on 14 July 2031 at 12:38 in ♉ Taurus, the Moon is following the southern part of its orbit for the next 10 days, until it will cross the ecliptic from South to North in ascending node on 28 July 2031 at 23:54 in ♏ Scorpio.

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Draconic month

16 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 16 July 2031 at 09:01 in ♊ Gemini, when Moon has reached northern declination of ∠21.045°. Next 12 days the lunar orbit moves southward to face South declination of ∠-20.951° in the next southern standstill on 30 July 2031 at 15:45 in ♐ Sagittarius.

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Syzygy in 1 day

After 1 day on 19 July 2031 at 13:40 in ♋ Cancer, 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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