Waning Gibbous on

Moon phase on 9 September 2025 Tuesday is Waning Gibbous, 16 days old Moon is in Aries.

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Moon phase for

Lunar calendar 2025 | September 2025

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

Waning Gibbous 96% illuminated

Waning Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 96% and getting smaller. The 16 days old Moon is in ♈ Aries.

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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 7 September 2025 at 18:09.

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 ♈ Aries

Moon is passing about ∠10° of ♈ Aries tropical zodiac sector.

Apparent angular diameter ∠1951"

Lunar disc appears visually 2.4% wider than solar disc. Moon and Sun apparent angular diameters are ∠1951" and ∠1905".

Harvest Moon before 1 day

Next Full Moon is the Hunter Moon of October 2025 after 27 days on 7 October 2025 at 03:47.

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 317 / 1270

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 317 of Meeus index or 1270 from Brown series.

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Synodic month length 29.58 days

The length of the lunation is 29 days, 13 hours and 48 minutes. It is 2 hours and 43 minutes shorter than the next lunation's length. The lengths of the following synodic months are going to increasing with the true anomaly getting closer to the value it has at the point of New Moon at apogee (∠180°).

Lunation length longer than mean

The length of the current synodic month is 1 hour and 4 minutes longer than the mean synodic month length. It is 5 hours and 59 minutes shorter compared to 21st century's longest synodic month length.

Lunar orbit position on

True anomaly ∠93°

At the beginning of the lunation cycle the true anomaly is ∠93°. At the beginning of next synodic month the true anomaly is going to be ∠127.7°.

Moon before apogee

10 days after point of apogee on 29 August 2025 at 15:34 in ♏ Scorpio. The lunar orbit is getting narrow, while the Moon is moving towards the Earth. It will keep this direction over the next day, until the Moon reaches the point of next perigee on 10 September 2025 at 12:09 in ♈ Aries.

Previous apogeeNext perigee

Distance to Moon 367 348 km

The Moon is 367 348 km (228 259 mi) away from Earth and getting closer over the next day until the point perigee when Earth-Moon distance is going to be 364 781 km (226 664 mi).

Moon after ascending node

1 day after ascending node on 7 September 2025 at 23:08 in ♓ Pisces. The Moon is located north of the ecliptic over the following 11 days, until the lunar orbit crosses from North to South in descending node on 20 September 2025 at 23:13 in ♍ Virgo.

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Draconic month

1 day since the beginning of current draconic month in ♓ Pisces, the Moon is navigating from the beginning to the first part of the cycle.

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Moon before northern standstill

7 days since the previous standstill on 1 September 2025 at 22:04 in ♐ Sagittarius when the Moon has reached South declination of ∠-28.623°, the lunar orbit is extending northward over the next 5 days to face maximum declination of ∠28.630° at the point of next northern standstill on 14 September 2025 at 21:23 in ♊ Gemini.

Previous standstillNext standstill

Syzygy in 12 days

In 12 days on 21 September 2025 at 19:54 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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