Waning Gibbous on

Moon phase on 2 September 2031 Tuesday is Waning Gibbous, 16 days old Moon is in Pisces.

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Moon phase for

Lunar calendar 2031 | September 2031

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

Waning Gibbous 98% illuminated

Waning Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 98% and getting smaller. The 16 days old Moon is in ♓ Pisces.

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Moon phases for next 7 days

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Moon phase and lunation details

1 day after Full Moon

Previous main lunar phase is the Full Moon before 1 day on 1 September 2031 at 09:20.

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 ♓ Pisces

Moon is passing about ∠25° of ♓ Pisces tropical zodiac sector.

Apparent angular diameter ∠1917"

Lunar disc appears visually 0.8% wider than solar disc. Moon and Sun apparent angular diameters are ∠1917" and ∠1902".

Harvest Moon before 1 day

Next Full Moon is the Harvest Moon of September 2031 after 28 days on 30 September 2031 at 18:58.

Upcoming main Moon phases

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 391 / 1344

The Moon is 16 days old. Earth's natural satellite is moving from the middle to the last part of current synodic month. This is lunation 391 of Meeus index or 1344 from Brown series.

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Synodic month length 29.59 days

The length of the lunation is 29 days, 14 hours and 15 minutes. It is 41 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 31 minutes longer than the mean synodic month length. It is 5 hours and 32 minutes shorter compared to 21st century's longest synodic month length.

Lunar orbit position on

True anomaly ∠213.5°

At the beginning of the lunation cycle the true anomaly is ∠213.5°. At the beginning of next synodic month the true anomaly is going to be ∠245.2°.

Moon after perigee

2 days after point of perigee on 30 August 2031 at 12:53 in ♒ Aquarius. The lunar orbit is getting widen, while the Moon is moving away from the Earth. It will keep this direction over the next 8 days, until the Moon reaches the point of next apogee on 11 September 2031 at 11:54 in ♋ Cancer.

Previous perigeeNext apogee

Distance to Moon 373 835 km

The Moon is 373 835 km (232 290 mi) away from Earth and getting further over the next 8 days until the point apogee when Earth-Moon distance is going to be 405 006 km (251 659 mi).

Moon before descending node

8 days after ascending node on 25 August 2031 at 01:21 in ♏ Scorpio. The Moon is located north of the ecliptic over the following 4 days, until the lunar orbit crosses from North to South in descending node on 6 September 2031 at 16:34 in ♉ Taurus.

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Draconic month

8 days since the beginning of current draconic month in ♏ Scorpio, the Moon is navigating from the beginning to the first part of the cycle.

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Moon before northern standstill

6 days since the previous standstill on 26 August 2031 at 23:55 in ♐ Sagittarius when the Moon has reached South declination of ∠-20.731°, the lunar orbit is extending northward over the next 6 days to face maximum declination of ∠20.623° at the point of next northern standstill on 8 September 2031 at 23:27 in ♊ Gemini.

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Syzygy in 14 days

In 14 days on 16 September 2031 at 18:47 in ♍ Virgo 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.

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