First Quarter on

Moon phase on 17 December 2007 Monday is First Quarter, 7 days young Moon is in Pisces.

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Moon phase for

Lunar calendar 2007 | December 2007

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

First Quarter 51% illuminated

First Quarter is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 51% and growing larger. The 7 days young Moon is in ♓ Pisces.

* The exact date and time of this First Quarter phase is on 17 December 2007 at 10:17 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 ♓ Pisces

Moon is leaving the last ∠4° of ♓ Pisces tropical zodiac sector and will enter ♈ Aries later.

Apparent angular diameter ∠1936"

Lunar disc appears visually 0.7% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1936" and ∠1950".

Cold Moon after 6 days

Next Full Moon is the Cold Moon of December 2007 after 6 days on 24 December 2007 at 01:16.

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 98 / 1051

The Moon is 7 days young. Earth's natural satellite is moving through the first part of current synodic month. This is lunation 98 of Meeus index or 1051 from Brown series.

PreviousCurrent lunationNext

Synodic month length 29.75 days

Length of current 98 lunation is 29 days, 17 hours and 57 minutes. It is 1 hour and 50 minutes longer than next lunation 99 length.

Lunation length longer than mean

Length of current synodic month is 5 hours and 13 minutes longer than the mean length of synodic month, but it is still 1 hour and 50 minutes shorter, compared to 21st century longest.

Lunar orbit position on

True anomaly ∠209.6°

This lunation true anomaly is ∠209.6°. At the beginning of next synodic month true anomaly will be ∠242.4°. The length of upcoming synodic months will keep decreasing since the true anomaly gets closer to the value of New Moon at point of perigee (∠0° or ∠360°).

Moon before perigee

10 days after point of apogee on 6 December 2007 at 16:54 in ♏ Scorpio. The lunar orbit is getting closer, while the Moon is moving inward the Earth. It will keep this direction for the next 4 days, until it get to the point of next perigee on 22 December 2007 at 10:11 in ♊ Gemini.

Previous apogeeNext perigee

Distance to Moon 370 328 km

Moon is 370 328 km (230 111 mi) away from Earth on this date. Moon moves closer next 4 days until perigee, when Earth-Moon distance will reach 360 817 km (224 201 mi).

Moon after ascending node

1 day after its ascending node on 15 December 2007 at 13:15 in ♒ Aquarius, the Moon is following the northern part of its orbit for the next 10 days, until it will cross the ecliptic from North to South in descending node on 28 December 2007 at 02:57 in ♌ Leo.

Previous nodeNext node

Draconic month

1 day after beginning of current draconic month in ♒ Aquarius, the Moon is moving from the beginning to the first part of it.

PreviousCurrent draconic monthNext

Moon before northern standstill

7 days after previous South standstill on 10 December 2007 at 09:41 in ♐ Sagittarius, when Moon has reached southern declination of ∠-27.906°. Next 6 days the lunar orbit moves northward to face North declination of ∠27.918° in the next northern standstill on 23 December 2007 at 14:26 in ♊ Gemini.

Previous standstillNext standstill

Syzygy in 6 days

After 6 days on 24 December 2007 at 01:16 in ♋ Cancer, the Moon will be in Full Moon geocentric opposition with the Sun and this alignment forms next Sun-Earth-Moon syzygy.

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