Last Quarter on

Moon phase on 18 May 2017 Thursday is Last Quarter, 21 days old Moon is in Aquarius.

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Moon phase for

Lunar calendar 2017 | May 2017

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

Last Quarter 55% illuminated

Last Quarter is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 55% and getting smaller. The 21 days old Moon is in ♒ Aquarius.

* The exact date and time of this Last Quarter phase is on 19 May 2017 at 00:33 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 midnight and sets at noon. It is visible to the south in the morning.

Moon in ♒ Aquarius

Moon is passing about ∠22° of ♒ Aquarius tropical zodiac sector.

Apparent angular diameter ∠1836"

Lunar disc appears visually 3.2% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1836" and ∠1897".

Strawberry Moon after 22 days

Next Full Moon is the Strawberry Moon of June 2017 after 22 days on 9 June 2017 at 13:10.

Upcoming main Moon phases

  • Last Quarter in Pisces ♓ on 19 May 2017 at 00:33
  • New Moon in Taurus ♉ on 25 May 2017 at 19:44
  • First Quarter in Virgo ♍ on 1 June 2017 at 12:42
  • Full Moon in Sagittarius ♐ on 9 June 2017 at 13:10

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 214 / 1167

The Moon is 21 days old. Earth's natural satellite is moving through the last part of current synodic month. This is lunation 214 of Meeus index or 1167 from Brown series.

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Synodic month length 29.31 days

The length of the lunation is 29 days, 7 hours and 28 minutes. It is 42 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 5 hours and 16 minutes shorter than the mean synodic month length. It is 53 minutes longer compared to 21st century's shortest synodic month length.

Lunar orbit position on

True anomaly ∠340.4°

At the beginning of the lunation cycle the true anomaly is ∠340.4°. At the beginning of next synodic month the true anomaly is going to be ∠356°.

Moon after apogee

5 days after point of apogee on 12 May 2017 at 19:51 in ♐ Sagittarius. The lunar orbit is getting narrow, while the Moon is moving towards the Earth. It will keep this direction over the next 7 days, until the Moon reaches the point of next perigee on 26 May 2017 at 01:23 in ♊ Gemini.

Previous apogeeNext perigee

Distance to Moon 390 323 km

The Moon is 390 323 km (242 535 mi) away from Earth and getting closer over the next 7 days until the point perigee when Earth-Moon distance is going to be 357 210 km (221 960 mi).

Moon before descending node

14 days after ascending node on 4 May 2017 at 10:42 in ♍ Virgo. 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 19 May 2017 at 01:30 in ♒ Aquarius.

Previous nodeNext node

Draconic month

14 days since the beginning of current draconic month in ♍ Virgo, the Moon is navigating from the first to the middle part of the cycle.

PreviousCurrent draconic monthNext

Moon after southern standstill

3 days since the previous standstill on 14 May 2017 at 20:29 in ♑ Capricorn when the Moon has reached South declination of ∠-19.302°, the lunar orbit is extending northward over the next 9 days to face maximum declination of ∠19.362° at the point of next northern standstill on 27 May 2017 at 23:36 in ♋ Cancer.

Previous standstillNext standstill

Syzygy in 7 days

In 7 days on 25 May 2017 at 19:44 in ♉ Taurus 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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