Waning Crescent on

Moon phase on 23 December 2011 Friday is Waning Crescent, 28 days old Moon is in Sagittarius.

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Moon phase for

Lunar calendar 2011 | December 2011

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

Waning Crescent 2% illuminated

Waning Crescent is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 2% and getting smaller. The 28 days old Moon is in ♐ Sagittarius.

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Moon phases for next 7 days

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Moon phase and lunation details

5 days after Last Quarter

Previous main lunar phase is the Last Quarter before 5 days on 18 December 2011 at 00:48.

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 ♐ Sagittarius

Moon is passing about ∠14° of ♐ Sagittarius tropical zodiac sector.

Apparent angular diameter ∠1944"

Lunar disc appears visually 0.3% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1944" and ∠1951".

Wolf Moon after 16 days

Next Full Moon is the Wolf Moon of January 2012 after 16 days on 9 January 2012 at 07:30.

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 147 / 1100

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 147 of Meeus index or 1100 from Brown series.

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Synodic month length 29.5 days

The length of the lunation is 29 days, 11 hours and 57 minutes. It is 1 hour and 36 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 47 minutes shorter than the mean synodic month length. It is 5 hours and 22 minutes longer compared to 21st century's shortest synodic month length.

Lunar orbit position on

True anomaly ∠21.6°

At the beginning of the lunation cycle the true anomaly is ∠21.6°. At the beginning of next synodic month the true anomaly is going to be ∠42.1°.

Moon after perigee

1 day after point of perigee on 22 December 2011 at 02:56 in ♏ Scorpio. The lunar orbit is getting widen, while the Moon is moving away from the Earth. It will keep this direction over the next 10 days, until the Moon reaches the point of next apogee on 2 January 2012 at 20:19 in ♈ Aries.

Previous perigeeNext apogee

Distance to Moon 368 715 km

The Moon is 368 715 km (229 109 mi) away from Earth and getting further over the next 10 days until the point apogee when Earth-Moon distance is going to be 404 580 km (251 394 mi).

Moon in ascending node

Moon is in ascending node in ♐ Sagittarius at 11:36 crossing the ecliptic from South to North to meet descending node 14 days later on 6 January 2012 at 14:30 in ♊ Gemini.

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New draconic month

At 11:36 the Moon completes the previous draconic month and enters the new one.

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Moon at southern standstill

At 17:25 the Moon is meeting its standstill point to reach South declination of ∠-22.554°. Over the next 14 days the lunar orbit is going to extend northward to face maximum declination of ∠22.539° at the point of next standstill in ♊ Gemini on 6 January 2012 at 21:46.

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Syzygy in 1 day

In 1 day on 24 December 2011 at 18:06 in ♐ Sagittarius 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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