Waning Gibbous on

Moon phase on 20 December 2040 Thursday is Waning Gibbous, 16 days old Moon is in Cancer.

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Moon phase for

Lunar calendar 2040 | December 2040

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

Waning Gibbous 96% illuminated

Waning Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 96% and getting smaller. The 16 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

1 day after Full Moon

Previous main lunar phase is the Full Moon before 1 day on 18 December 2040 at 12:16.

Moonrise and moonset

Moon rises in the evening and sets in the morning. It is visible to the southwest and it is high in the sky after midnight.

Moon in ♋ Cancer

Moon is passing about ∠21° of ♋ Cancer tropical zodiac sector.

Apparent angular diameter ∠1773"

Lunar disc appears visually 9.5% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1773" and ∠1951".

Cold Moon before 1 day

Next Full Moon is the Wolf Moon of January 2041 after 27 days on 17 January 2041 at 07:11.

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 506 / 1459

The Moon is 16 days old. Earth's natural satellite is moving from the middle to the last part of current synodic month. This is lunation 506 of Meeus index or 1459 from Brown series.

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Synodic month length 29.48 days

Length of current 506 lunation is 29 days, 11 hours and 35 minutes. It is 1 hour longer than next lunation 507 length.

Lunation length shorter than mean

Length of current synodic month is 1 hour and 9 minutes shorter than the mean length of synodic month, but it is still 5 hours longer, compared to 21st century shortest.

Lunar orbit position on

True anomaly ∠323.5°

This lunation true anomaly is ∠323.5°. At the beginning of next synodic month true anomaly will be ∠342.7°. 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 before apogee

13 days after point of perigee on 6 December 2040 at 13:20 in ♑ Capricorn. The lunar orbit is getting wider, while the Moon is moving outward the Earth. It will keep this direction for the next 2 days, until it get to the point of next apogee on 22 December 2040 at 13:29 in ♌ Leo.

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Distance to Moon 404 200 km

Moon is 404 200 km (251 158 mi) away from Earth on this date. Moon moves farther next 2 days until apogee, when Earth-Moon distance will reach 405 778 km (252 139 mi).

Moon after ascending node

4 days after its ascending node on 15 December 2040 at 21:13 in ♉ Taurus, the Moon is following the northern part of its orbit for the next 9 days, until it will cross the ecliptic from North to South in descending node on 30 December 2040 at 10:13 in ♏ Scorpio.

Previous nodeNext node

Draconic month

4 days after beginning of current draconic month in ♉ Taurus, the Moon is moving from the beginning to the first part of it.

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Moon after northern standstill

1 day after previous North standstill on 19 December 2040 at 10:11 in ♋ Cancer, when Moon has reached northern declination of ∠26.761°. Next 12 days the lunar orbit moves southward to face South declination of ∠-26.763° in the next southern standstill on 2 January 2041 at 11:44 in ♑ Capricorn.

Previous standstillNext standstill

Syzygy in 13 days

After 13 days on 2 January 2041 at 19:08 in ♑ Capricorn, 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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