New Moon on

Moon phase on 10 December 2091 Monday is New Moon, 1 day young Moon is in Sagittarius.

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Moon phase for

Lunar calendar 2091 | December 2091

New Moon phase
New Moon phase
Image credit: NASA/Goddard Space Flight Center Scientific Visualization Studio.

New Moon

New Moon is the lunar phase on . Surface of the Moon disc is not illuminated. The 1 day young Moon is in ♐ Sagittarius.

* The exact date and time of this New Moon phase is on 10 December 2091 at 13:54 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 sunrise and sets at sunset. It's part facing the Earth is completely in shadow.

Moon in ♐ Sagittarius

Moon is passing about ∠18° of ♐ Sagittarius tropical zodiac sector.

Apparent angular diameter

Lunar disc is not visible from Earth. Moon and Sun apparent angular diameters are ∠1956" and ∠1949".

Cold Moon after 15 days

Next Full Moon is the Cold Moon of December 2091 after 15 days on 25 December 2091 at 21:59.

Upcoming main Moon phases

Spring tide

There is high New Moon ocean tide on this date. Combined Sun and Moon gravitational tidal force working on Earth is strong, because of the Sun-Moon-Earth syzygy alignment.

New lunation 1137 / 2090

At 13:54 on this date the Moon completes the old and enters a new synodic month with lunation 1137 of Meeus index or 2090 from Brown series.


Synodic month length 29.49 days

29 days, 11 hours and 43 minutes is the length of new lunation 1137. 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 after perigee

1 day 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 10 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 366 381 km

Moon is 366 381 km (227 659 mi) away from Earth on this date. Moon moves farther next 10 days until apogee, when Earth-Moon distance will reach 405 544 km (251 993 mi).

Moon before descending node

7 days after its ascending node on 2 December 2091 at 18:52 in ♌ Leo, the Moon is following the northern part of its orbit for the next 4 days, until it will cross the ecliptic from North to South in descending node on 15 December 2091 at 07:03 in ♒ Aquarius.

Previous nodeNext node

Draconic month

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

PreviousCurrent draconic monthNext

Moon before southern standstill

11 days after previous North standstill on 28 November 2091 at 22:15 in ♋ Cancer, when Moon has reached northern declination of ∠19.417°. Next day the lunar orbit moves southward to face South declination of ∠-19.452° in the next southern standstill on 11 December 2091 at 21:10 in ♑ Capricorn.

Previous standstillNext standstill

Sun-Moon-Earth syzygy

The Moon is in New Moon geocentric conjunction with the Sun on this date and this alignment forms Sun-Moon-Earth syzygy.

Previous syzygyNext syzygy

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