Waning Gibbous on

Moon phase on 15 May 2055 Saturday is Waning Gibbous, 19 days old Moon is in Capricorn.

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Moon phase for

Lunar calendar 2055 | May 2055

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

Waning Gibbous 78% illuminated

Waning Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 78% and getting smaller. The 19 days old Moon is in ♑ Capricorn.

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Moon phases for next 7 days

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Moon phase and lunation details

4 days after Full Moon

Previous main lunar phase is the Full Moon before 4 days on 11 May 2055 at 02:31.

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 ♑ Capricorn

Moon is passing about ∠21° of ♑ Capricorn tropical zodiac sector.

Apparent angular diameter ∠1829"

Lunar disc appears visually 3.7% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1829" and ∠1898".

Flower Moon before 4 days

Next Full Moon is the Strawberry Moon of June 2055 after 24 days on 9 June 2055 at 11:36.

Upcoming main Moon phases

  • Last Quarter in Aquarius ♒ on 18 May 2055 at 11:30
  • New Moon in Gemini ♊ on 26 May 2055 at 12:57
  • First Quarter in Virgo ♍ on 2 June 2055 at 17:01
  • Full Moon in Sagittarius ♐ on 9 June 2055 at 11:36

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 684 / 1637

The Moon is 19 days old. Earth's natural satellite is moving from the middle to the last part of current synodic month. This is lunation 684 of Meeus index or 1637 from Brown series.

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Synodic month length 29.57 days

Length of current 684 lunation is 29 days, 13 hours and 40 minutes. It is 2 hours and 22 minutes longer than next lunation 685 length.

Lunation length longer than mean

Length of current synodic month is 56 minutes longer than the mean length of synodic month, but it is still 6 hours and 7 minutes shorter, compared to 21st century longest.

Lunar orbit position on

True anomaly ∠221.6°

This lunation true anomaly is ∠221.6°. At the beginning of next synodic month true anomaly will be ∠254.3°. 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 apogee

6 days after point of perigee on 8 May 2055 at 21:10 in ♎ Libra. The lunar orbit is getting wider, while the Moon is moving outward the Earth. It will keep this direction for the next 5 days, until it get to the point of next apogee on 20 May 2055 at 18:43 in ♓ Pisces.

Previous perigeeNext apogee

Distance to Moon 391 885 km

Moon is 391 885 km (243 506 mi) away from Earth on this date. Moon moves farther next 5 days until apogee, when Earth-Moon distance will reach 404 756 km (251 504 mi).

Moon before descending node

10 days after its ascending node on 4 May 2055 at 12:19 in ♌ Leo, the Moon is following the northern part of its orbit for the next day, until it will cross the ecliptic from North to South in descending node on 17 May 2055 at 07:26 in ♒ Aquarius.

Previous nodeNext node

Draconic month

10 days after beginning of current draconic month in ♌ Leo, the Moon is moving from the beginning to the first part of it.

PreviousCurrent draconic monthNext

Moon after southern standstill

1 day after previous South standstill on 14 May 2055 at 15:50 in ♑ Capricorn, when Moon has reached southern declination of ∠-20.280°. Next 13 days the lunar orbit moves northward to face North declination of ∠20.367° in the next northern standstill on 29 May 2055 at 04:41 in ♋ Cancer.

Previous standstillNext standstill

Syzygy in 11 days

After 11 days on 26 May 2055 at 12:57 in ♊ Gemini, the Moon will be in New Moon geocentric conjunction with the Sun and this alignment forms next Sun-Moon-Earth syzygy.

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