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

The length of the lunation is 29 days, 11 hours and 35 minutes. It is 1 hour 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 shorter than mean

The length of the current synodic month is 1 hour and 9 minutes shorter than the mean synodic month length. It is 5 hours longer compared to 21st century's shortest synodic month length.

Lunar orbit position on

True anomaly ∠323.5°

At the beginning of the lunation cycle the true anomaly is ∠323.5°. At the beginning of next synodic month the true anomaly is going to be ∠342.7°.

Moon before perigee

13 days after point of perigee on 6 December 2040 at 13:20 in ♑ Capricorn. The lunar orbit is getting widen, while the Moon is moving away from the Earth. It will keep this direction over the next 2 days, until the Moon reaches the point of next apogee on 22 December 2040 at 13:29 in ♌ Leo.

Previous perigeeNext apogee

Distance to Moon 404 200 km

The Moon is 404 200 km (251 158 mi) away from Earth and getting further over the next 2 days until the point apogee when Earth-Moon distance is going to be 405 778 km (252 139 mi).

Moon after ascending node

4 days after ascending node on 15 December 2040 at 21:13 in ♉ Taurus. The Moon is located north of the ecliptic over the following 9 days, until the lunar orbit crosses from North to South in descending node on 30 December 2040 at 10:13 in ♏ Scorpio.

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Draconic month

4 days since the beginning of current draconic month in ♉ Taurus, the Moon is navigating from the beginning to the first part of the cycle.

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Moon after northern standstill

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

Previous standstillNext standstill

Syzygy in 13 days

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