First Quarter on

Moon phase on 20 April 2021 Tuesday is First Quarter, 7 days young Moon is in Leo.

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Moon phase for

Lunar calendar 2021 | April 2021

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

First Quarter 52% illuminated

First Quarter is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 52% and growing larger. The 7 days young Moon is in ♌ Leo.

* The exact date and time of this First Quarter phase is on 20 April 2021 at 06:59 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 ♌ Leo

Moon is passing first ∠3° of ♌ Leo tropical zodiac sector.

Apparent angular diameter ∠1840"

Lunar disc appears visually 3.7% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1840" and ∠1909".

Pink Moon after 6 days

Next Full Moon is the Pink Moon of April 2021 after 6 days on 27 April 2021 at 03:31.

Upcoming main Moon phases

  • Full Moon in Scorpio ♏ on 27 April 2021 at 03:31
  • Last Quarter in Aquarius ♒ on 3 May 2021 at 19:50
  • New Moon in Taurus ♉ on 11 May 2021 at 19:00
  • First Quarter in Leo ♌ on 19 May 2021 at 19:13

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 263 / 1216

The Moon is 7 days young. Earth's natural satellite is moving through the first part of current synodic month. This is lunation 263 of Meeus index or 1216 from Brown series.

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Synodic month length 29.69 days

Length of current 263 lunation is 29 days, 16 hours and 29 minutes. This is the year's longest synodic month of 2021. It is 36 minutes longer than next lunation 264 length.

Lunation length longer than mean

Length of current synodic month is 3 hours and 45 minutes longer than the mean length of synodic month, but it is still 3 hours and 18 minutes shorter, compared to 21st century longest.

Lunar orbit position on

True anomaly ∠154.8°

This New Moon true anomaly is ∠154.8°. At beginning of next synodic month true anomaly will be ∠178.9°. The length of upcoming synodic months will keep increasing since the true anomaly gets closer to the value of New Moon at point of apogee (∠180°).

Moon after apogee

5 days after point of apogee on 14 April 2021 at 17:47 in ♉ Taurus. The lunar orbit is getting closer, while the Moon is moving inward the Earth. It will keep this direction for the next 7 days, until it get to the point of next perigee on 27 April 2021 at 15:24 in ♏ Scorpio.

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Distance to Moon 389 571 km

Moon is 389 571 km (242 068 mi) away from Earth on this date. Moon moves closer next 7 days until perigee, when Earth-Moon distance will reach 357 379 km (222 065 mi).

Moon after ascending node

4 days after its ascending node on 16 April 2021 at 05:53 in ♊ Gemini, the Moon is following the northern part of its orbit for the next 8 days, until it will cross the ecliptic from North to South in descending node on 29 April 2021 at 09:18 in ♐ Sagittarius.

Previous nodeNext node

Draconic month

4 days after beginning of current draconic month in ♊ Gemini, the Moon is moving from the beginning to the first part of it.

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Moon after northern standstill

1 day after previous North standstill on 18 April 2021 at 16:02 in ♋ Cancer, when Moon has reached northern declination of ∠25.532°. Next 10 days the lunar orbit moves southward to face South declination of ∠-25.591° in the next southern standstill on 1 May 2021 at 09:37 in ♑ Capricorn.

Previous standstillNext standstill

Syzygy in 6 days

After 6 days on 27 April 2021 at 03:31 in ♏ Scorpio, 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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