First Quarter on

Moon phase on 21 October 2099 Wednesday is First Quarter, 8 days young Moon is in Aquarius.

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Moon phase for

Lunar calendar 2099 | October 2099

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

First Quarter 55% illuminated

First Quarter is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 55% and growing larger. The 8 days young Moon is in ♒ Aquarius.

* The exact date and time of this First Quarter phase is on 20 October 2099 at 23:27 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 is entering ♒ Aquarius

Moon is passing first ∠4° of ♒ Aquarius tropical zodiac sector.

Apparent angular diameter ∠1818"

Lunar disc appears visually 5.9% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1818" and ∠1928".

Hunter Moon after 7 days

Next Full Moon is the Hunter Moon of October 2099 after 7 days on 29 October 2099 at 04:20.

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 1234 / 2187

The Moon is 8 days young. Earth's natural satellite is moving through the first part of current synodic month. This is lunation 1234 of Meeus index or 2187 from Brown series.

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Synodic month length 29.41 days

Length of current 1234 lunation is 29 days, 9 hours and 57 minutes. It is 1 hour and 43 minutes shorter than next lunation 1235 length.

Lunation length shorter than mean

Length of current synodic month is 2 hours and 47 minutes shorter than the mean length of synodic month, but it is still 3 hours and 22 minutes longer, compared to 21st century shortest.

Lunar orbit position on

True anomaly ∠10.7°

This New Moon true anomaly is ∠10.7°. At beginning of next synodic month true anomaly will be ∠27.7°. 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 13 October 2099 at 10:26 in ♎ Libra. The lunar orbit is getting wider, while the Moon is moving outward the Earth. It will keep this direction for the next 4 days, until it get to the point of next apogee on 26 October 2099 at 03:06 in ♓ Pisces.

Previous perigeeNext apogee

Distance to Moon 394 235 km

Moon is 394 235 km (244 966 mi) away from Earth on this date. Moon moves farther next 4 days until apogee, when Earth-Moon distance will reach 405 825 km (252 168 mi).

Moon before ascending node

9 days after its descending node on 12 October 2099 at 10:42 in ♍ Virgo, the Moon is following the southern part of its orbit for the next 4 days, until it will cross the ecliptic from South to North in ascending node on 25 October 2099 at 20:01 in ♓ Pisces.

Previous nodeNext node

Draconic month

22 days after beginning of current draconic month in ♓ Pisces, the Moon is moving from the second to the final part of it.

PreviousCurrent draconic monthNext

Moon after southern standstill

2 days after previous South standstill on 18 October 2099 at 19:06 in ♐ Sagittarius, when Moon has reached southern declination of ∠-28.609°. Next 11 days the lunar orbit moves northward to face North declination of ∠28.524° in the next northern standstill on 2 November 2099 at 11:20 in ♊ Gemini.

Previous standstillNext standstill

Syzygy in 7 days

After 7 days on 29 October 2099 at 04:20 in ♉ Taurus, 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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