Waxing Crescent on

Moon phase on 19 September 2031 Friday is Waxing Crescent, 3 days young Moon is in Libra.

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Moon phase for

Lunar calendar 2031 | September 2031

Waxing Crescent phase
Waxing Crescent phase
Image credit: NASA/Goddard Space Flight Center Scientific Visualization Studio.

Waxing Crescent 8% illuminated

Waxing Crescent is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 8% and growing larger. The 3 days young Moon is in ♎ Libra.

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Moon phases for next 7 days

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Moon phase and lunation details

2 days after New Moon

Previous main lunar phase is the New Moon before 2 days on 16 September 2031 at 18:47.

Moonrise and moonset

Moon rises in the morning and sets in the evening. It is visible toward the southwest in early evening.

Moon in ♎ Libra

Moon is leaving the last ∠1° of ♎ Libra tropical zodiac sector and will enter ♏ Scorpio later.

Apparent angular diameter ∠1879"

Lunar disc appears visually 1.7% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1879" and ∠1910".

Harvest Moon after 11 days

Next Full Moon is the Harvest Moon of September 2031 after 11 days on 30 September 2031 at 18:58.

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 392 / 1345

The Moon is 3 days young. Earth's natural satellite is moving from the beginning to the first part of current synodic month. This is lunation 392 of Meeus index or 1345 from Brown series.

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Synodic month length 29.57 days

The length of the lunation is 29 days, 13 hours and 34 minutes. It is 45 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 50 minutes longer than the mean synodic month length. It is 6 hours and 13 minutes shorter compared to 21st century's longest synodic month length.

Lunar orbit position on

True anomaly ∠245.2°

At the beginning of the lunation cycle the true anomaly is ∠245.2°. At the beginning of next synodic month the true anomaly is going to be ∠281.8°.

Moon before apogee

8 days after point of apogee on 11 September 2031 at 11:54 in ♋ Cancer. The lunar orbit is getting narrow, while the Moon is moving towards the Earth. It will keep this direction over the next 7 days, until the Moon reaches the point of next perigee on 27 September 2031 at 07:09 in ♒ Aquarius.

Previous apogeeNext perigee

Distance to Moon 381 512 km

The Moon is 381 512 km (237 061 mi) away from Earth and getting closer over the next 7 days until the point perigee when Earth-Moon distance is going to be 366 841 km (227 944 mi).

Moon before ascending node

12 days after descending node on 6 September 2031 at 16:34 in ♉ Taurus. The Moon is located south of the ecliptic over the following day, until the lunar orbit crosses from South to North in ascending node on 21 September 2031 at 02:24 in ♏ Scorpio.

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Draconic month

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

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Moon before southern standstill

10 days since the previous standstill on 8 September 2031 at 23:27 in ♊ Gemini when the Moon has reached North declination of ∠20.623°, the lunar orbit is extending southward over the next 3 days to face maximum declination of ∠-20.501° at the point of next southern standstill on 23 September 2031 at 05:46 in ♐ Sagittarius.

Previous standstillNext standstill

Syzygy in 11 days

In 11 days on 30 September 2031 at 18:58 in ♈ Aries the Moon is going to be in a Full Moon geocentric opposition with the Sun and thus forming the next Sun-Earth-Moon syzygy alignment.

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