Waning Gibbous on

Moon phase on 21 October 2013 Monday is Waning Gibbous, 17 days old Moon is in Taurus.

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Moon phase for

Lunar calendar 2013 | October 2013

Waning Gibbous phase
Waning Gibbous phase
Image credit: NASA/Goddard Space Flight Center Scientific Visualization Studio.

Waning Gibbous 93% illuminated

Waning Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 93% and getting smaller. The 17 days old Moon is in ♉ Taurus.

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Moon phases for next 7 days

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Moon phase and lunation details

2 days after Full Moon

Previous main lunar phase is the Full Moon before 2 days on 18 October 2013 at 23:38.

Moonrise and moonset

Moon rises in the evening and sets in the morning. It is visible to the southwest and it is high in the sky after midnight.

Moon in ♉ Taurus

Moon is leaving the last ∠2° of ♉ Taurus tropical zodiac sector and will enter ♊ Gemini later.

Apparent angular diameter ∠1800"

Lunar disc appears visually 6.8% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1800" and ∠1928".

Hunter Moon before 2 days

Next Full Moon is the Beaver Moon of November 2013 after 27 days on 17 November 2013 at 15:16.

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 170 / 1123

The Moon is 17 days old. Earth's natural satellite is moving from the middle to the last part of current synodic month. This is lunation 170 of Meeus index or 1123 from Brown series.

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Synodic month length 29.51 days

The length of the lunation is 29 days, 12 hours and 15 minutes. It is 43 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 shorter than mean

The length of the current synodic month is 29 minutes shorter than the mean synodic month length. It is 5 hours and 40 minutes longer compared to 21st century's shortest synodic month length.

Lunar orbit position on

True anomaly ∠285.3°

At the beginning of the lunation cycle the true anomaly is ∠285.3°. At the beginning of next synodic month the true anomaly is going to be ∠315°.

Moon before perigee

10 days after point of perigee on 10 October 2013 at 23:06 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 4 days, until the Moon reaches the point of next apogee on 25 October 2013 at 14:25 in ♋ Cancer.

Previous perigeeNext apogee

Distance to Moon 398 120 km

The Moon is 398 120 km (247 380 mi) away from Earth and getting further over the next 4 days until the point apogee when Earth-Moon distance is going to be 404 561 km (251 383 mi).

Moon after descending node

1 day after descending node on 19 October 2013 at 21:47 in ♉ Taurus. The Moon is located south of the ecliptic over the following 12 days, until the lunar orbit crosses from South to North in ascending node on 3 November 2013 at 06:52 in ♏ Scorpio.

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Draconic month

14 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 northern standstill

11 days since the previous standstill on 9 October 2013 at 23:52 in ♐ Sagittarius when the Moon has reached South declination of ∠-19.537°, the lunar orbit is extending northward over the next day to face maximum declination of ∠19.509° at the point of next northern standstill on 23 October 2013 at 09:13 in ♊ Gemini.

Previous standstillNext standstill

Syzygy in 13 days

In 13 days on 3 November 2013 at 12:50 in ♏ Scorpio the Moon is going to be in a New Moon geocentric conjunction with the Sun and thus forming the next Sun-Moon-Earth syzygy alignment.

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