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

The length of the 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 the next lunation's length. The lengths of the following synodic months are going to decreasing with the true anomaly getting closer to the value it has at the point of New Moon at perigee (∠0° or ∠360°).

Lunation length longer than mean

The length of the current synodic month is 2 hours and 31 minutes longer than the mean synodic month length. It is 4 hours and 31 minutes shorter compared to 21st century's longest synodic month length.

Lunar orbit position on

True anomaly ∠165.9°

At the beginning of the lunation cycle the true anomaly is ∠165.9°. At the beginning of next synodic month the true anomaly is going to be ∠188.7°.

Moon at apogee

Moon is at apogee at 14:28. It is 13 days after previous perigee on 4 July 2031 at 21:14 in ♑ Capricorn. Lunar orbit is going to narrow while the Moon is moving towards the Earth over the next 14 days, until 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 further 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 descending node on 14 July 2031 at 12:38 in ♉ Taurus. The Moon is located south of the ecliptic over the following 10 days, until the lunar orbit crosses from South to North in ascending node on 28 July 2031 at 23:54 in ♏ Scorpio.

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Draconic month

16 days since the beginning of current draconic month in ♏ Scorpio, the Moon is navigating from the second to the final part of the cycle.

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Moon after northern standstill

2 days since the previous standstill on 16 July 2031 at 09:01 in ♊ Gemini when the Moon has reached North declination of ∠21.045°, the lunar orbit is extending southward over the next 12 days to face maximum declination of ∠-20.951° at the point of next southern standstill on 30 July 2031 at 15:45 in ♐ Sagittarius.

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Syzygy in 1 day

In 1 day on 19 July 2031 at 13:40 in ♋ Cancer the Moon is going to be in a New Moon geocentric conjunction with the Sun and thus forming the next Sun-Moon-Earth syzygy alignment.

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