Waning Gibbous on

Moon phase on 28 May 2100 Friday is Waning Gibbous, 20 days old Moon is in Aquarius.

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Moon phase for

Lunar calendar 2100 | May 2100

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

Waning Gibbous 73% illuminated

Waning Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 73% and getting smaller. The 20 days old Moon is in ♒ Aquarius.

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Moon phases for next 7 days

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Moon phase and lunation details

4 days after Full Moon

Previous main lunar phase is the Full Moon before 4 days on 23 May 2100 at 17:25.

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 ♒ Aquarius

Moon is passing about ∠10° of ♒ Aquarius tropical zodiac sector.

Apparent angular diameter ∠1851"

Lunar disc appears visually 2.2% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1851" and ∠1893".

Flower Moon before 4 days

Next Full Moon is the Strawberry Moon of June 2100 after 24 days on 22 June 2100 at 01:11.

Upcoming main Moon phases

  • Last Quarter in Pisces ♓ on 30 May 2100 at 19:35
  • New Moon in Gemini ♊ on 7 June 2100 at 23:31
  • First Quarter in Virgo ♍ on 15 June 2100 at 09:41
  • Full Moon in Capricorn ♑ on 22 June 2100 at 01:11

Moderate tide

There is medium ocean tide on this date. Sun and Moon gravitational forces are not aligned, but meet at very acute angle, so their combined tidal force is moderate.

Lunation 1241 / 2194

The Moon is 20 days old. Earth's natural satellite is moving from the middle to the last part of current synodic month. This is lunation 1241 of Meeus index or 2194 from Brown series.

PreviousCurrent lunationNext

Synodic month length 29.61 days

The length of the lunation is 29 days, 14 hours and 38 minutes. It is 2 hours and 3 minutes longer than the next lunation's length. The lengths of the following synodic months are going to decreasing with the true anomaly getting closer to the value it has at the point of New Moon at perigee (∠0° or ∠360°).

Lunation length longer than mean

The length of the current synodic month is 1 hour and 54 minutes longer than the mean synodic month length. It is 5 hours and 9 minutes shorter compared to 21st century's longest synodic month length.

Lunar orbit position on

True anomaly ∠200.1°

At the beginning of the lunation cycle the true anomaly is ∠200.1°. At the beginning of next synodic month the true anomaly is going to be ∠227.5°.

Moon after perigee

6 days after point of perigee on 22 May 2100 at 11:04 in ♏ Scorpio. The lunar orbit is getting widen, while the Moon is moving away from the Earth. It will keep this direction over the next 6 days, until the Moon reaches the point of next apogee on 3 June 2100 at 17:09 in ♈ Aries.

Previous perigeeNext apogee

Distance to Moon 387 184 km

The Moon is 387 184 km (240 585 mi) away from Earth and getting further over the next 6 days until the point apogee when Earth-Moon distance is going to be 405 537 km (251 989 mi).

Moon before ascending node

10 days after descending node on 18 May 2100 at 10:11 in ♍ Virgo. The Moon is located south of the ecliptic over the following 2 days, until the lunar orbit crosses from South to North in ascending node on 31 May 2100 at 02:55 in ♓ Pisces.

Previous nodeNext node

Draconic month

24 days since the beginning of current draconic month in ♓ Pisces, the Moon is navigating from the second to the final part of the cycle.

PreviousCurrent draconic monthNext

Moon after southern standstill

3 days since the previous standstill on 25 May 2100 at 09:50 in ♐ Sagittarius when the Moon has reached South declination of ∠-28.230°, the lunar orbit is extending northward over the next 11 days to face maximum declination of ∠28.177° at the point of next northern standstill on 8 June 2100 at 18:51 in ♊ Gemini.

Previous standstillNext standstill

Syzygy in 10 days

In 10 days on 7 June 2100 at 23:31 in ♊ Gemini the Moon is going to be in a New Moon geocentric conjunction with the Sun and thus forming the next Sun-Moon-Earth syzygy alignment.

Previous syzygyNext syzygy

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