Waxing Gibbous on

Moon phase on 21 December 2091 Friday is Waxing Gibbous, 11 days young Moon is in Taurus.

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Moon phase for

Lunar calendar 2091 | December 2091

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

Waxing Gibbous 83% illuminated

Waxing Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 83% and growing larger. The 11 days young Moon is in ♉ Taurus.

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Moon phases for next 7 days

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Moon phase and lunation details

3 days after First Quarter

Previous main lunar phase is the First Quarter before 3 days on 17 December 2091 at 17:29.

Moonrise and moonset

Moon rises in the afternoon and sets after midnight to early morning. It is visible to the southeast in early evening and it is up for most of the night.

Moon in ♉ Taurus

Moon is passing about ∠11° of ♉ Taurus tropical zodiac sector.

Apparent angular diameter ∠1768"

Lunar disc appears visually 9.8% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1768" and ∠1951".

Cold Moon after 4 days

Next Full Moon is the Cold Moon of December 2091 after 4 days on 25 December 2091 at 21:59.

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 1137 / 2090

The Moon is 11 days young. Earth's natural satellite is moving from the first to the middle part of current synodic month. This is lunation 1137 of Meeus index or 2090 from Brown series.

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Synodic month length 29.49 days

The length of the lunation is 29 days, 11 hours and 43 minutes. It is 1 hour and 43 minutes shorter than the next lunation's length. The lengths of the following synodic months are going to increasing with the true anomaly getting closer to the value it has at the point of New Moon at apogee (∠180°).

Lunation length shorter than mean

The length of the current synodic month is 1 hour and 1 minute shorter than the mean synodic month length. It is 5 hours and 8 minutes longer compared to 21st century's shortest synodic month length.

Lunar orbit position on

True anomaly ∠20.8°

At the beginning of the lunation cycle the true anomaly is ∠20.8°. At the beginning of next synodic month the true anomaly is going to be ∠40.9°.

Moon at apogee

Moon is at apogee at 10:59. It is 12 days after previous perigee on 9 December 2091 at 08:19 in ♐ Sagittarius. Lunar orbit is going to narrow while the Moon is moving towards the Earth over the next 16 days, until point of next perigee on 6 January 2092 at 12:22 in ♐ Sagittarius.

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Distance to Moon 405 544 km

This apogee Moon is 405 544 km (251 993 mi) away from Earth. It is 136 km further than the mean apogee distance, but it is still 1 165 km closer than the farthest apogee of 21st century.

Moon after descending node

6 days after descending node on 15 December 2091 at 07:03 in ♒ Aquarius. The Moon is located south of the ecliptic over the following 8 days, until the lunar orbit crosses from South to North in ascending node on 29 December 2091 at 20:00 in ♌ Leo.

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Draconic month

18 days since the beginning of current draconic month in ♌ Leo, the Moon is navigating from the second to the final part of the cycle.

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Moon before northern standstill

9 days since the previous standstill on 11 December 2091 at 21:10 in ♑ Capricorn when the Moon has reached South declination of ∠-19.452°, the lunar orbit is extending northward over the next 4 days to face maximum declination of ∠19.486° at the point of next northern standstill on 26 December 2091 at 05:43 in ♋ Cancer.

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Syzygy in 4 days

In 4 days on 25 December 2091 at 21:59 in ♊ Gemini the Moon is going to be in a Full Moon geocentric opposition with the Sun and thus forming the next Sun-Earth-Moon syzygy alignment.

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