First Quarter on

Moon phase on 21 August 2007 Tuesday is First Quarter, 8 days young Moon is in Sagittarius.

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Moon phase for

Lunar calendar 2007 | August 2007

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

First Quarter 55% illuminated

First Quarter is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 55% and growing larger. The 8 days young Moon is in ♐ Sagittarius.

* The exact date and time of this First Quarter phase is on 20 August 2007 at 23:54 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 is entering ♐ Sagittarius

Moon is passing first ∠4° of ♐ Sagittarius tropical zodiac sector.

Apparent angular diameter ∠1781"

Lunar disc appears visually 6.3% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1781" and ∠1897".

Sturgeon Moon after 6 days

Next Full Moon is the Sturgeon Moon of August 2007 after 6 days on 28 August 2007 at 10:35.

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 94 / 1047

The Moon is 8 days young. Earth's natural satellite is moving through the first part of current synodic month. This is lunation 94 of Meeus index or 1047 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 34 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 ∠97.3°

At the beginning of the lunation cycle the true anomaly is ∠97.3°. At the beginning of next synodic month the true anomaly is going to be ∠131.4°.

Moon after apogee

2 days after point of apogee on 19 August 2007 at 03:28 in ♏ Scorpio. 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 31 August 2007 at 00:12 in ♈ Aries.

Previous apogeeNext perigee

Distance to Moon 402 403 km

The Moon is 402 403 km (250 042 mi) away from Earth and getting closer over the next 9 days until the point perigee when Earth-Moon distance is going to be 364 174 km (226 287 mi).

Moon before ascending node

7 days after descending node on 14 August 2007 at 07:25 in ♍ Virgo. The Moon is located south of the ecliptic over the following 7 days, until the lunar orbit crosses from South to North in ascending node on 28 August 2007 at 14:27 in ♒ Aquarius.

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Draconic month

20 days since the beginning of current draconic month in ♓ Pisces, the Moon is navigating from the second to the final part of the cycle.

PreviousCurrent draconic monthNext

Moon before southern standstill

12 days since the previous standstill on 8 August 2007 at 23:02 in ♊ Gemini when the Moon has reached North declination of ∠28.342°, the lunar orbit is extending southward over the next day to face maximum declination of ∠-28.377° at the point of next southern standstill on 23 August 2007 at 08:02 in ♐ Sagittarius.

Previous standstillNext standstill

Syzygy in 6 days

In 6 days on 28 August 2007 at 10:35 in ♓ Pisces 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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