Last Quarter Moon
Last Quarter MoonImage credit: NASA/Goddard Space Flight Center Scientific Visualization Studio.(large image)

Last Quarter in Gemini

Last Quarter on . The illuminated surface of the moon is 44% and getting smaller. The lunar cycle is 22 days old.

* The exact date and time of this Last Quarter phase is on 7 September 2099 at 21:18 UTC.

Moonrise and moonset

The moon rises at midnight and sets at noon. It is visible to the south in the morning.

Moon phases on nearby dates

Slide horizontally to discover the moon phase on nearby dates.

Upcoming main moon phases

Main moon phases of the following lunar cycle.

Moon phase and lunation details

Moon in ♊ Gemini

Moon is passing about ∠23° of ♊ Gemini tropical zodiac sector.

Harvest Moon after 20 days

Next Full Moon is the Harvest Moon of September 2099 after 20 days on 29 September 2099 at 10:45.

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.

Apparent angular diameter ∠1860"

Lunar disc appears visually 2.4% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1860" and ∠1905".

Lunation 1232 / 2185

The Moon is 22 days old and navigating through the last part of the current synodic month. This is lunation 1232 of Meeus index or 2185 from Brown series.

Synodic month length 29.33 days

The length of this lunation is 29 days, 7 hours and 56 minutes and it is 46 minutes shorter than the upcoming lunation's length. The lengths of the following synodic months are going to decrease with the lunar orbit 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 4 hours and 48 minutes shorter than the mean synodic month length. It is 1 hour and 21 minutes longer compared to 21st century's shortest synodic month length.

Lunar orbit details for

True anomaly ∠339.4°

The true anomaly of the Moon orbit at the beginning of this lunation cycle is ∠339.4° and at the beginning of the next lunar synodic month the true anomaly is going to be ∠355.4°.

Moon before perigee

6 days since point of apogee on 1 September 2099 at 19:45 in ♓ Pisces the lunar orbit is getting narrow while the Moon is moving towards the Earth. It will keep this direction over the next 6 days until the Moon reaches the point of next perigee on 14 September 2099 at 23:26 in ♍ Virgo.

Distance to Moon 385 295 km

The Moon is 385 295 km (239 411 mi) away from Earth and getting closer over the next 6 days until the point perigee when Earth-Moon distance is going to be 357 286 km (222 007 mi).

Moon before descending node

7 days after ascending node on 1 September 2099 at 08:09 in ♓ Pisces the Moon is positioned north of the ecliptic over the following 6 days until the lunar crosses the ecliptic again from North to South in descending node on 14 September 2099 at 23:44 in ♍ Virgo.

Moon at northern standstill

At 23:00 the Moon is meeting its standstill point to reach North declination of ∠28.676°. Over the upcoming 12 days the lunar orbit is going to tilt southward to face maximum declination of ∠-28.686° at the point of next southern standstill in ♐ Sagittarius on 21 September 2099 at 11:17.

Draconic month

7 days since the beginning of this draconic month in ♓ Pisces the Moon is navigating from the beginning to the first part of the lunar cycle.

Syzygy in 6 days

In 6 days on 14 September 2099 at 16:50 in ♍ Virgo 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.

Lunar calendar

Sources and credits

Parts of this Lunar Calendar are based on Planetary Ephemeris Data Courtesy of Fred Espenak, www.Astropixels.com

Moon phase image credit to NASA/Goddard Space Flight Center Scientific Visualization Studio, svs.gsfc.nasa.gov