Waning Gibbous on

Moon phase on 26 September 2021 Sunday is Waning Gibbous, 20 days old Moon is in Gemini.

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Moon phase for

Lunar calendar 2021 | September 2021

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 ♊ 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 20 September 2021 at 23:55.

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 passing about ∠6° of ♊ Gemini tropical zodiac sector.

Apparent angular diameter ∠1768"

Lunar disc appears visually 8% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1768" and ∠1914".

Harvest Moon before 5 days

Next Full Moon is the Hunter Moon of October 2021 after 24 days on 20 October 2021 at 14:57.

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 268 / 1221

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 268 of Meeus index or 1221 from Brown series.

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Synodic month length 29.43 days

Length of current 268 lunation is 29 days, 10 hours and 14 minutes. It is 5 minutes longer than next lunation 269 length.

Lunation length shorter than mean

Length of current synodic month is 2 hours and 30 minutes shorter than the mean length of synodic month, but it is still 3 hours and 39 minutes longer, compared to 21st century shortest.

Lunar orbit position on

True anomaly ∠297.8°

This lunation true anomaly is ∠297.8°. At the beginning of next synodic month true anomaly will be ∠323.3°. 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 in apogee

Moon is reaching point of apogee on this date at 21:44, this is 15 days after last perigee on 11 September 2021 at 10:05 in ♏ Scorpio. Lunar orbit is starting to get closer, while the Moon is moving inward the Earth for 12 days ahead, until it will get to the point of next perigee on 8 October 2021 at 17:28 in ♏ Scorpio.

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Distance to Moon 404 641 km

This apogee Moon is 404 641 km (251 432 mi) away from Earth. It is 767 km farther than the mean apogee distance, but it is still 2 068 km closer than the farthest apogee of 21st century.

Moon in ascending node

Moon is in ascending node in ♊ Gemini at 07:33 on this date, it crosses the ecliptic from South to North. Moon will follow the northern part of its orbit for the next 13 days to meet descending node on 9 October 2021 at 19:35 in ♏ Scorpio.

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New draconic month

At 07:33 on this date the Moon is completing its previous draconic month and is entering the new one.


Moon before northern standstill

11 days after previous South standstill on 15 September 2021 at 03:48 in ♑ Capricorn, when Moon has reached southern declination of ∠-25.980°. Next 2 days the lunar orbit moves northward to face North declination of ∠26.109° in the next northern standstill on 29 September 2021 at 08:26 in ♋ Cancer.

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Syzygy in 9 days

After 9 days on 6 October 2021 at 11:05 in ♎ Libra, 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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