Last Quarter on

Moon phase on 25 December 2013 Wednesday is Last Quarter, 22 days old Moon is in Libra.

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Moon phase for

Lunar calendar 2013 | December 2013

Last Quarter phase
Last Quarter phase
Image credit: NASA/Goddard Space Flight Center Scientific Visualization Studio.

Last Quarter 51% illuminated

Last Quarter is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 51% and getting smaller. The 22 days old Moon is in ♎ Libra.

* The exact date and time of this Last Quarter phase is on 25 December 2013 at 13:48 UTC.

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Moon phases for next 7 days

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Moon phase and lunation details

Moonrise and moonset

Moon rises at midnight and sets at noon. It is visible to the south in the morning.

Moon is entering ♎ Libra

Moon is passing first ∠3° of ♎ Libra tropical zodiac sector.

Apparent angular diameter ∠1836"

Lunar disc appears visually 6.1% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1836" and ∠1951".

Wolf Moon after 21 days

Next Full Moon is the Wolf Moon of January 2014 after 21 days on 16 January 2014 at 04:52.

Upcoming main Moon phases

Neap tide

There is low ocean tide on this date. Sun and Moon gravitational forces are not aligned, but meet at big angle, so their combined tidal force is weak.

Lunation 172 / 1125

The Moon is 22 days old. Earth's natural satellite is moving through the last part of current synodic month. This is lunation 172 of Meeus index or 1125 from Brown series.

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Synodic month length 29.45 days

Length of current 172 lunation is 29 days, 10 hours and 52 minutes. This is the year's shortest synodic month of 2013. It is 28 minutes longer than next lunation 173 length.

Lunation length shorter than mean

Length of current synodic month is 1 hour and 52 minutes shorter than the mean length of synodic month, but it is still 4 hours and 17 minutes longer, compared to 21st century shortest.

Lunar orbit position on

True anomaly ∠336.4°

This lunation true anomaly is ∠336.4°. At the beginning of next synodic month true anomaly will be ∠353°. 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 after apogee

5 days after point of apogee on 19 December 2013 at 23:49 in ♋ Cancer. The lunar orbit is getting closer, while the Moon is moving inward the Earth. It will keep this direction for the next 7 days, until it get to the point of next perigee on 1 January 2014 at 21:00 in ♑ Capricorn.

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Distance to Moon 390 333 km

Moon is 390 333 km (242 542 mi) away from Earth on this date. Moon moves closer next 7 days until perigee, when Earth-Moon distance will reach 356 922 km (221 781 mi).

Moon before ascending node

12 days after its descending node on 13 December 2013 at 10:10 in ♉ Taurus, the Moon is following the southern part of its orbit for the next 2 days, until it will cross the ecliptic from South to North in ascending node on 28 December 2013 at 00:21 in ♏ Scorpio.

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Draconic month

24 days after beginning of current draconic month in ♏ Scorpio, the Moon is moving from the second to the final part of it.

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Moon before southern standstill

8 days after previous North standstill on 17 December 2013 at 01:00 in ♊ Gemini, when Moon has reached northern declination of ∠19.570°. Next 5 days the lunar orbit moves southward to face South declination of ∠-19.537° in the next southern standstill on 31 December 2013 at 04:49 in ♐ Sagittarius.

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Syzygy in 6 days

After 6 days on 1 January 2014 at 11:14 in ♑ Capricorn, the Moon will be in Last Quarter geocentric opposition with the Sun and this alignment forms next Sun-Earth-Moon syzygy.

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