First Quarter on

Moon phase on 17 December 2091 Monday is First Quarter, 7 days young Moon is in Pisces.

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Moon phase for

Lunar calendar 2091 | December 2091

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

First Quarter 48% illuminated

First Quarter is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 48% and growing larger. The 7 days young Moon is in ♓ Pisces.

* The exact date and time of this First Quarter phase is on 17 December 2091 at 17:29 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 noon and sets at midnight. It is visible high in the southern sky in early evening.

Moon in ♓ Pisces

Moon is passing about ∠23° of ♓ Pisces tropical zodiac sector.

Apparent angular diameter ∠1807"

Lunar disc appears visually 7.6% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1807" and ∠1950".

Cold Moon after 8 days

Next Full Moon is the Cold Moon of December 2091 after 8 days on 25 December 2091 at 21:59.

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 1137 / 2090

The Moon is 7 days young. Earth's natural satellite is moving through the first 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

Length of current 1137 lunation is 29 days, 11 hours and 43 minutes. It is 1 hour and 43 minutes shorter than next lunation 1138 length.

Lunation length shorter than mean

Length of current synodic month is 1 hour and 1 minute shorter than the mean length of synodic month, but it is still 5 hours and 8 minutes longer, compared to 21st century shortest.

Lunar orbit position on

True anomaly ∠20.8°

This New Moon true anomaly is ∠20.8°. At beginning of next synodic month true anomaly will be ∠40.9°. The length of upcoming synodic months will keep increasing since the true anomaly gets closer to the value of New Moon at point of apogee (∠180°).

Moon before apogee

8 days after point of perigee on 9 December 2091 at 08:19 in ♐ Sagittarius. The lunar orbit is getting wider, while the Moon is moving outward the Earth. It will keep this direction for the next 3 days, until it get to the point of next apogee on 21 December 2091 at 10:59 in ♉ Taurus.

Previous perigeeNext apogee

Distance to Moon 396 709 km

Moon is 396 709 km (246 504 mi) away from Earth on this date. Moon moves farther next 3 days until apogee, when Earth-Moon distance will reach 405 544 km (251 993 mi).

Moon after descending node

2 days after its descending node on 15 December 2091 at 07:03 in ♒ Aquarius, the Moon is following the southern part of its orbit for the next 12 days, until it will cross the ecliptic from South to North in ascending node on 29 December 2091 at 20:00 in ♌ Leo.

Previous nodeNext node

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.

PreviousCurrent draconic monthNext

Moon after southern standstill

5 days after previous South standstill on 11 December 2091 at 21:10 in ♑ Capricorn, when Moon has reached southern declination of ∠-19.452°. Next 8 days the lunar orbit moves northward to face North declination of ∠19.486° in the next northern standstill on 26 December 2091 at 05:43 in ♋ Cancer.

Previous standstillNext standstill

Syzygy in 8 days

After 8 days on 25 December 2091 at 21:59 in ♊ Gemini, 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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