Waning Gibbous on

Moon phase on 4 September 2023 Monday is Waning Gibbous, 19 days old Moon is in Taurus.

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Moon phase for

Lunar calendar 2023 | September 2023

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

Waning Gibbous 75% illuminated

Waning Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 75% and getting smaller. The 19 days old Moon is in ♉ Taurus.

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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 31 August 2023 at 01:35.

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 ♉ Taurus

Moon is passing about ∠12° of ♉ Taurus tropical zodiac sector.

Apparent angular diameter ∠1897"

Lunar disc appears visually 0.3% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1897" and ∠1903".

Sturgeon Moon before 4 days

Next Full Moon is the Harvest Moon of September 2023 after 24 days on 29 September 2023 at 09:57.

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 292 / 1245

The Moon is 19 days old. Earth's natural satellite is moving from the middle to the last part of current synodic month. This is lunation 292 of Meeus index or 1245 from Brown series.

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Synodic month length 29.67 days

The length of the lunation is 29 days, 16 hours and 2 minutes. It is 13 minutes shorter 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 3 hours and 18 minutes longer than the mean synodic month length. It is 3 hours and 45 minutes shorter compared to 21st century's longest synodic month length.

Lunar orbit position on

True anomaly ∠179.2°

At the beginning of the lunation cycle the true anomaly is ∠179.2°. At the beginning of next synodic month the true anomaly is going to be ∠202.9°.

Moon after perigee

4 days after point of perigee on 30 August 2023 at 15:51 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 12 September 2023 at 15:42 in ♌ Leo.

Previous perigeeNext apogee

Distance to Moon 377 907 km

The Moon is 377 907 km (234 821 mi) away from Earth and getting further over the next 8 days until the point apogee when Earth-Moon distance is going to be 406 289 km (252 456 mi).

Moon after ascending node

1 day after ascending node on 3 September 2023 at 07:44 in ♈ Aries. The Moon is located north of the ecliptic over the following 13 days, until the lunar orbit crosses from North to South in descending node on 17 September 2023 at 19:18 in ♎ Libra.

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Draconic month

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

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Moon before northern standstill

8 days since the previous standstill on 26 August 2023 at 20:22 in ♐ Sagittarius when the Moon has reached South declination of ∠-28.095°, the lunar orbit is extending northward over the next 4 days to face maximum declination of ∠28.168° at the point of next northern standstill on 8 September 2023 at 13:18 in ♊ Gemini.

Previous standstillNext standstill

Syzygy in 10 days

In 10 days on 15 September 2023 at 01:40 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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