Waxing Crescent on

Moon phase on 22 December 2017 Friday is Waxing Crescent, 4 days young Moon is in Aquarius.

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Moon phase for

Lunar calendar 2017 | December 2017

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

Waxing Crescent 15% illuminated

Waxing Crescent is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 15% and growing larger. The 4 days young Moon is in ♒ Aquarius.

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Moon phases for next 7 days

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Moon phase and lunation details

4 days after New Moon

Previous main lunar phase is the New Moon before 4 days on 18 December 2017 at 06:31.

Moonrise and moonset

Moon rises in the morning and sets in the evening. It is visible toward the southwest in early evening.

Moon in ♒ Aquarius

Moon is passing about ∠17° of ♒ Aquarius tropical zodiac sector.

Apparent angular diameter ∠1793"

Lunar disc appears visually 8.4% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1793" and ∠1951".

Wolf Moon after 10 days

Next Full Moon is the Wolf Moon of January 2018 after 10 days on 2 January 2018 at 02:24.

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 222 / 1175

The Moon is 4 days young. Earth's natural satellite is moving from the beginning to the first part of current synodic month. This is lunation 222 of Meeus index or 1175 from Brown series.

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Synodic month length 29.82 days

Length of current 222 lunation is 29 days, 19 hours and 47 minutes. This is the year's longest synodic month of 2017. It is 59 minutes longer than next lunation 223 length.

Lunation length longer than mean

Length of current synodic month is 7 hours and 3 minutes longer than the mean length of synodic month and it is the longest synodic month length of a for 21st century.

Lunar orbit position on

True anomaly ∠173.3°

This lunation true anomaly is ∠173.3°. At the beginning of next synodic month true anomaly will be ∠198.1°. 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

3 days after point of apogee on 19 December 2017 at 01:27 in ♑ Capricorn. The lunar orbit is getting closer, while the Moon is moving inward the Earth. It will keep this direction for the next 10 days, until it get to the point of next perigee on 1 January 2018 at 21:54 in ♋ Cancer.

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Distance to Moon 399 753 km

Moon is 399 753 km (248 395 mi) away from Earth on this date. Moon moves closer next 10 days until perigee, when Earth-Moon distance will reach 356 566 km (221 560 mi).

Moon in descending node

Moon is in descending node in ♒ Aquarius at 10:04 on this date, it crosses the ecliptic from North to South. Moon will follow the southern part of its orbit for the next 12 days to meet ascending node on 4 January 2018 at 07:48 in ♌ Leo.

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Draconic month

14 days after beginning of current draconic month in ♌ Leo, the Moon is moving from the second to the final part of it.

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Moon after southern standstill

3 days after previous South standstill on 19 December 2017 at 09:31 in ♑ Capricorn, when Moon has reached southern declination of ∠-20.062°. Next 10 days the lunar orbit moves northward to face North declination of ∠20.055° in the next northern standstill on 2 January 2018 at 00:01 in ♋ Cancer.

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Syzygy in 10 days

After 10 days on 2 January 2018 at 02:24 in ♋ Cancer, the Moon will be in Full Moon geocentric opposition with the Sun and this alignment forms next Sun-Earth-Moon syzygy.

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