Waning Crescent on

Moon phase on 9 January 2021 Saturday is Waning Crescent, 25 days old Moon is in Sagittarius.

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Moon phase for

Lunar calendar 2021 | January 2021

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

Waning Crescent 17% illuminated

Waning Crescent is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 17% and getting smaller. The 25 days old Moon is in ♐ Sagittarius.

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Moon phases for next 7 days

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Moon phase and lunation details

3 days after Last Quarter

Previous main lunar phase is the Last Quarter before 3 days on 6 January 2021 at 09:37.

Moonrise and moonset

Moon rises after midnight to early morning and sets in the afternoon. It is visible in the early morning low to the east.

Moon is entering ♐ Sagittarius

Moon is passing first ∠0° of ♐ Sagittarius tropical zodiac sector.

Apparent angular diameter ∠1966"

Lunar disc appears visually 0.7% wider than solar disc. Moon and Sun apparent angular diameters are ∠1966" and ∠1951".

Wolf Moon after 19 days

Next Full Moon is the Wolf Moon of January 2021 after 19 days on 28 January 2021 at 19:16.

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 259 / 1212

The Moon is 25 days old. Earth's natural satellite is moving from the second to the final part of current synodic month. This is lunation 259 of Meeus index or 1212 from Brown series.

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Synodic month length 29.53 days

The length of the lunation is 29 days, 12 hours and 44 minutes. It is 1 hour and 21 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 same as the mean

The length of the current synodic month is equal to the mean synodic month length. It is %hours_to_shortest% and %minutes_to_shortest% longer than the 21st century's shortest and %hours_to_longest% and %minutes_to_longest% shorter than the 21st century's longest synodic months.

Lunar orbit position on

True anomaly ∠30.1°

At the beginning of the lunation cycle the true anomaly is ∠30.1°. At the beginning of next synodic month the true anomaly is going to be ∠53.8°.

Moon at perigee

Moon is at perigee at 15:39. It is 15 days after previous apogee on 24 December 2020 at 16:32 in ♈ Aries. Lunar orbit is going to widen while the Moon is moving away from the Earth over the next 12 days, until point of next apogee on 21 January 2021 at 13:11 in ♉ Taurus.

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Distance to Moon 367 390 km

This perigee Moon is 367 390 km (228 286 mi) away from Earth. It is 4 882 km closer than the mean perigee distance, but it is still 2 966 km further than the closest perigee of 21st century.

Moon before descending node

11 days after ascending node on 28 December 2020 at 15:03 in ♊ Gemini. The Moon is located north of the ecliptic over the following day, until the lunar orbit crosses from North to South in descending node on 10 January 2021 at 20:15 in ♐ Sagittarius.

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Draconic month

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

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Moon before southern standstill

10 days since the previous standstill on 30 December 2020 at 07:53 in ♋ Cancer when the Moon has reached North declination of ∠24.868°, the lunar orbit is extending southward over the next 2 days to face maximum declination of ∠-24.870° at the point of next southern standstill on 12 January 2021 at 08:18 in ♑ Capricorn.

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Syzygy in 3 days

In 3 days on 13 January 2021 at 05:00 in ♑ Capricorn 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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