Waning Gibbous on

Moon phase on 23 October 2100 Saturday is Waning Gibbous, 19 days old Moon is in Gemini.

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Moon phase for

Lunar calendar 2100 | October 2100

Waning Gibbous phase
Waning Gibbous phase
Image credit: NASA/Goddard Space Flight Center Scientific Visualization Studio.

Waning Gibbous 76% illuminated

Waning Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 76% and getting smaller. The 19 days old Moon is in ♊ Gemini.

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Moon phases for next 7 days

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Moon phase and lunation details

5 days after Full Moon

Previous main lunar phase is the Full Moon before 5 days on 18 October 2100 at 04:06.

Moonrise and moonset

Moon rises in the evening and sets in the morning. It is visible to the southwest and it is high in the sky after midnight.

Moon in ♊ Gemini

Moon is leaving the last ∠2° of ♊ Gemini tropical zodiac sector and will enter ♋ Cancer later.

Apparent angular diameter ∠1795"

Lunar disc appears visually 7.2% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1795" and ∠1929".

Hunter Moon before 5 days

Next Full Moon is the Beaver Moon of November 2100 after 24 days on 16 November 2100 at 22:19.

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 1246 / 2199

The Moon is 19 days old. Earth's natural satellite is moving from the middle to the last part of current synodic month. This is lunation 1246 of Meeus index or 2199 from Brown series.

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Synodic month length 29.38 days

Length of current 1246 lunation is 29 days, 9 hours and 12 minutes. This is the year's shortest synodic month of 2100. It is 34 minutes shorter than next lunation 1247 length.

Lunation length shorter than mean

Length of current synodic month is 3 hours and 32 minutes shorter than the mean length of synodic month, but it is still 2 hours and 37 minutes longer, compared to 21st century shortest.

Lunar orbit position on

True anomaly ∠340.4°

This lunation true anomaly is ∠340.4°. At the beginning of next synodic month true anomaly will be ∠356.4°. 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 20 October 2100 at 04:03 in ♉ Taurus. The lunar orbit is getting closer, while the Moon is moving inward the Earth. It will keep this direction for the next 9 days, until it get to the point of next perigee on 2 November 2100 at 08:19 in ♏ Scorpio.

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Distance to Moon 399 371 km

Moon is 399 371 km (248 158 mi) away from Earth on this date. Moon moves closer next 9 days until perigee, when Earth-Moon distance will reach 356 834 km (221 726 mi).

Moon before descending node

9 days after its ascending node on 14 October 2100 at 06:36 in ♓ Pisces, the Moon is following the northern part of its orbit for the next 5 days, until it will cross the ecliptic from North to South in descending node on 28 October 2100 at 20:12 in ♌ Leo.

Previous nodeNext node

Draconic month

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

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Moon in northern standstill

At 08:12 on this date the Moon is meeting its North standstill point, when it will reach northern declination of ∠28.129°. Next 12 days the lunar orbit will move in opposite southward direction to face South declination of ∠-28.051° in its southern standstill point on 5 November 2100 at 05:15 in ♐ Sagittarius.

Previous standstillNext standstill

Syzygy in 9 days

After 9 days on 2 November 2100 at 03:14 in ♏ Scorpio, the Moon will be in New Moon geocentric conjunction with the Sun and this alignment forms next Sun-Moon-Earth syzygy.

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