First Quarter on

Moon phase on 31 December 2003 Wednesday is First Quarter, 8 days young Moon is in Aries.

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Moon phase for

Lunar calendar 2003 | December 2003

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

First Quarter 60% illuminated

First Quarter is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 60% and growing larger. The 8 days young Moon is in ♈ Aries.

* The exact date and time of this First Quarter phase is on 30 December 2003 at 10:03 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 ♈ Aries

Moon is passing about ∠21° of ♈ Aries tropical zodiac sector.

Apparent angular diameter ∠1797"

Lunar disc appears visually 8.2% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1797" and ∠1951".

Wolf Moon after 7 days

Next Full Moon is the Wolf Moon of January 2004 after 7 days on 7 January 2004 at 15:40.

Upcoming main Moon phases

Moderate tide

There is medium ocean tide on this date. Sun and Moon gravitational forces are not aligned, but meet at very acute angle, so their combined tidal force is moderate.

Lunation 49 / 1002

The Moon is 8 days young. Earth's natural satellite is moving through the first part of current synodic month. This is lunation 49 of Meeus index or 1002 from Brown series.

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Synodic month length 29.47 days

The length of the lunation is 29 days, 11 hours and 22 minutes. It is 51 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 shorter than mean

The length of the current synodic month is 1 hour and 22 minutes shorter than the mean synodic month length. It is 4 hours and 47 minutes longer compared to 21st century's shortest synodic month length.

Lunar orbit position on

True anomaly ∠15.5°

At the beginning of the lunation cycle the true anomaly is ∠15.5°. At the beginning of next synodic month the true anomaly is going to be ∠33.9°.

Moon before perigee

9 days after point of perigee on 22 December 2003 at 11:53 in ♐ Sagittarius. The lunar orbit is getting widen, while the Moon is moving away from the Earth. It will keep this direction over the next 3 days, until the Moon reaches the point of next apogee on 3 January 2004 at 20:19 in ♉ Taurus.

Previous perigeeNext apogee

Distance to Moon 398 933 km

The Moon is 398 933 km (247 885 mi) away from Earth and getting further over the next 3 days until the point apogee when Earth-Moon distance is going to be 405 707 km (252 095 mi).

Moon before ascending node

10 days after descending node on 20 December 2003 at 16:07 in ♏ Scorpio. The Moon is located south of the ecliptic over the following 2 days, until the lunar orbit crosses from South to North in ascending node on 2 January 2004 at 20:11 in ♉ Taurus.

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Draconic month

24 days since the beginning of current draconic month in ♉ Taurus, the Moon is navigating from the second to the final part of the cycle.

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Moon before northern standstill

7 days since the previous standstill on 23 December 2003 at 20:12 in ♑ Capricorn when the Moon has reached South declination of ∠-27.044°, the lunar orbit is extending northward over the next 6 days to face maximum declination of ∠27.031° at the point of next northern standstill on 6 January 2004 at 21:36 in ♋ Cancer.

Previous standstillNext standstill

Syzygy in 7 days

In 7 days on 7 January 2004 at 15:40 in ♋ Cancer 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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