First Quarter on

Moon phase on 29 September 2017 Friday is First Quarter, 8 days young Moon is in Capricorn.

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Moon phase for

Lunar calendar 2017 | September 2017

First Quarter phase
First Quarter phase
Image credit: NASA/Goddard Space Flight Center Scientific Visualization Studio.

First Quarter 63% illuminated

First Quarter is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 63% and growing larger. The 8 days young Moon is in ♑ Capricorn.

* The exact date and time of this First Quarter phase is on 28 September 2017 at 02:54 UTC.

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Moon phases for next 7 days

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Moon phase and lunation details

Moonrise and moonset

Moon rises at noon and sets at midnight. It is visible high in the southern sky in early evening.

Moon in ♑ Capricorn

Moon is passing about ∠22° of ♑ Capricorn tropical zodiac sector.

Apparent angular diameter ∠1779"

Lunar disc appears visually 7.4% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1779" and ∠1916".

Hunter Moon after 6 days

Next Full Moon is the Hunter Moon of October 2017 after 6 days on 5 October 2017 at 18:40.

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 219 / 1172

The Moon is 8 days young. Earth's natural satellite is moving through the first part of current synodic month. This is lunation 219 of Meeus index or 1172 from Brown series.

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Synodic month length 29.57 days

The length of the lunation is 29 days, 13 hours and 42 minutes. It is 2 hours and 48 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 58 minutes longer than the mean synodic month length. It is 6 hours and 5 minutes shorter compared to 21st century's longest synodic month length.

Lunar orbit position on

True anomaly ∠79°

At the beginning of the lunation cycle the true anomaly is ∠79°. At the beginning of next synodic month the true anomaly is going to be ∠114.6°.

Moon after apogee

2 days after point of apogee on 27 September 2017 at 06:49 in ♐ Sagittarius. The lunar orbit is getting narrow, while the Moon is moving towards the Earth. It will keep this direction over the next 9 days, until the Moon reaches the point of next perigee on 9 October 2017 at 05:51 in ♊ Gemini.

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Distance to Moon 402 999 km

The Moon is 402 999 km (250 412 mi) away from Earth and getting closer over the next 9 days until the point perigee when Earth-Moon distance is going to be 366 858 km (227 955 mi).

Moon before descending node

11 days after ascending node on 17 September 2017 at 18:28 in ♌ Leo. The Moon is located north of the ecliptic over the following 2 days, until the lunar orbit crosses from North to South in descending node on 2 October 2017 at 02:05 in ♒ Aquarius.

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Draconic month

11 days since the beginning of current draconic month in ♌ Leo, the Moon is navigating from the beginning to the first part of the cycle.

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Moon after southern standstill

1 day since the previous standstill on 28 September 2017 at 10:06 in ♑ Capricorn when the Moon has reached South declination of ∠-19.516°, the lunar orbit is extending northward over the next 12 days to face maximum declination of ∠19.616° at the point of next northern standstill on 11 October 2017 at 18:21 in ♋ Cancer.

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Syzygy in 6 days

In 6 days on 5 October 2017 at 18:40 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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