Waning Crescent on

Moon phase on 4 January 2100 Monday is Waning Crescent, 23 days old Moon is in Libra.

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Moon phase for

Lunar calendar 2100 | January 2100

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

Waning Crescent 39% illuminated

Waning Crescent is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 39% and getting smaller. The 23 days old Moon is in ♎ Libra.

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Moon phases for next 7 days

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Moon phase and lunation details

1 day after Last Quarter

Previous main lunar phase is the Last Quarter before 1 day on 3 January 2100 at 13:03.

Moonrise and moonset

Moon rises after midnight to early morning and sets in the afternoon. It is visible in the early morning low to the east.

Moon in ♎ Libra

Moon is leaving the last ∠3° of ♎ Libra tropical zodiac sector and will enter ♏ Scorpio later.

Apparent angular diameter ∠1970"

Lunar disc appears visually 0.9% wider than solar disc. Moon and Sun apparent angular diameters are ∠1970" and ∠1951".

Wolf Moon after 21 days

Next Full Moon is the Wolf Moon of January 2100 after 21 days on 26 January 2100 at 02:49.

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 1236 / 2189

The Moon is 23 days old. Earth's natural satellite is moving from the second to the final part of current synodic month. This is lunation 1236 of Meeus index or 2189 from Brown series.

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Synodic month length 29.57 days

Length of current 1236 lunation is 29 days, 13 hours and 47 minutes. It is 2 hours and 12 minutes shorter than next lunation 1237 length.

Lunation length longer than mean

Length of current synodic month is 1 hour and 3 minutes longer than the mean length of synodic month, but it is still 6 hours shorter, compared to 21st century longest.

Lunar orbit position on

True anomaly ∠49.8°

This New Moon true anomaly is ∠49.8°. At beginning of next synodic month true anomaly will be ∠81.3°. 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 3 January 2100 at 08:57 in ♎ Libra. The lunar orbit is getting wider, while the Moon is moving outward the Earth. It will keep this direction for the next 12 days, until it get to the point of next apogee on 17 January 2100 at 10:48 in ♈ Aries.

Previous perigeeNext apogee

Distance to Moon 363 873 km

Moon is 363 873 km (226 100 mi) away from Earth on this date. Moon moves farther next 12 days until apogee, when Earth-Moon distance will reach 404 420 km (251 295 mi).

Moon after descending node

2 days after its descending node on 1 January 2100 at 21:13 in ♍ Virgo, the Moon is following the southern part of its orbit for the next 10 days, until it will cross the ecliptic from South to North in ascending node on 15 January 2100 at 03:56 in ♓ Pisces.

Previous nodeNext node

Draconic month

16 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 before southern standstill

8 days after previous North standstill on 26 December 2099 at 23:34 in ♊ Gemini, when Moon has reached northern declination of ∠28.345°. Next 4 days the lunar orbit moves southward to face South declination of ∠-28.379° in the next southern standstill on 8 January 2100 at 21:59 in ♐ Sagittarius.

Previous standstillNext standstill

Syzygy in 6 days

After 6 days on 10 January 2100 at 12:55 in ♑ Capricorn, 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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