Waxing Gibbous on

Moon phase on 21 December 2015 Monday is Waxing Gibbous, 10 days young Moon is in Taurus.

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Moon phase for

Lunar calendar 2015 | December 2015

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

Waxing Gibbous 81% illuminated

Waxing Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 81% and growing larger. The 10 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

2 days after First Quarter

Previous main lunar phase is the First Quarter before 2 days on 18 December 2015 at 15:14.

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 ∠7° of ♉ Taurus tropical zodiac sector.

Apparent angular diameter ∠1964"

Lunar disc appears visually 0.7% wider than solar disc. Moon and Sun apparent angular diameters are ∠1964" and ∠1951".

Cold Moon after 3 days

Next Full Moon is the Cold Moon of December 2015 after 3 days on 25 December 2015 at 11:11.

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 197 / 1150

The Moon is 10 days young. Earth's natural satellite is moving from the first to the middle part of current synodic month. This is lunation 197 of Meeus index or 1150 from Brown series.

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Synodic month length 29.63 days

The length of the lunation is 29 days, 15 hours and 1 minute. It is 1 hour and 53 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 17 minutes longer than the mean synodic month length. It is 4 hours and 46 minutes shorter compared to 21st century's longest synodic month length.

Lunar orbit position on

True anomaly ∠255.6°

At the beginning of the lunation cycle the true anomaly is ∠255.6°. At the beginning of next synodic month the true anomaly is going to be ∠292.2°.

Moon at perigee

Moon is at perigee at 08:53. It is 15 days after previous apogee on 5 December 2015 at 14:56 in ♎ Libra. Lunar orbit is going to widen while the Moon is moving away from the Earth over the next 11 days, until point of next apogee on 2 January 2016 at 11:53 in ♎ Libra.

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Distance to Moon 368 418 km

This perigee Moon is 368 418 km (228 924 mi) away from Earth. It is 5 910 km closer than the mean perigee distance, but it is still 1 938 km further than the closest perigee of 21st century.

Moon after descending node

2 days after descending node on 18 December 2015 at 15:13 in ♓ Pisces. 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 31 December 2015 at 20:19 in ♍ Virgo.

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Draconic month

16 days since the beginning of current draconic month in ♍ Virgo, 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 12 December 2015 at 08:15 in ♑ Capricorn when the Moon has reached South declination of ∠-18.438°, the lunar orbit is extending northward over the next 3 days to face maximum declination of ∠18.444° at the point of next northern standstill on 25 December 2015 at 07:30 in ♋ Cancer.

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Syzygy in 3 days

In 3 days on 25 December 2015 at 11:11 in ♋ Cancer 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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