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

Waning Gibbous in Aries

Waning Gibbous on . Illuminated surface of the Moon is 73% and getting smaller. Lunar cycle is 20 days old.

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.

Upcoming main moon phases

Main moon phases of the following lunar cycle.

Moon phase and lunation details

Moon in ♈ Aries

Moon is leaving the last ∠4° of ♈ Aries tropical zodiac sector and will enter ♉ Taurus later.

5 days after Full Moon

Previous main lunar phase is the Full Moon before 5 days on 10 August 2071 at 23:39.

Sturgeon Moon before 5 days

Next Full Moon is the Harvest Moon of September 2071 after 24 days on 9 September 2071 at 14:51.

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 ∠1867"

Lunar disc appears visually 1.5% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1867" and ∠1895".

Lunation 885 / 1838

The Moon is 20 days old and navigating from the middle to the last part of the current synodic month. This is lunation 885 of Meeus index or 1838 from Brown series.

Synodic month length 29.31 days

The length of this lunation is 29 days, 7 hours and 20 minutes and it is 1 hour and 45 minutes shorter than the upcoming lunation's length. The lengths of the following synodic months are going to increase with the lunar orbit true anomaly getting closer to the value it has at the point of New Moon at apogee (∠180°).

Lunation length shorter than mean

The length of the current synodic month is 5 hours and 24 minutes shorter than the mean synodic month length. It is 45 minutes longer compared to 21st century's shortest synodic month length.

Lunar orbit details for

True anomaly ∠5.3°

The true anomaly of the Moon orbit at the beginning of this lunation cycle is ∠5.3° and at the beginning of the next lunar synodic month the true anomaly is going to be ∠21.2°.

Moon before perigee

7 days since point of apogee on 8 August 2071 at 20:04 in ♑ Capricorn 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 24 August 2071 at 01:45 in ♌ Leo.

Distance to Moon 383 830 km

The Moon is 383 830 km (238 501 mi) away from Earth and getting closer over the next 7 days until the point perigee when Earth-Moon distance is going to be 359 752 km (223 540 mi).

Moon after descending node

2 days after descending node on 14 August 2071 at 06:42 in ♓ Pisces the Moon is positioned south of the ecliptic over the following 10 days until the lunar crosses the ecliptic again from South to North in ascending node on 27 August 2071 at 02:29 in ♍ Virgo.

Moon before northern standstill

9 days since the last southern standstill on 6 August 2071 at 22:51 in ♐ Sagittarius when the Moon has reached South declination of ∠-18.284° the lunar orbit is extending northward over the next 4 days to face maximum declination of ∠18.210° at the point of next northern standstill on 21 August 2071 at 05:18 in ♋ Cancer.

Draconic month

16 days since the beginning of this draconic month in ♍ Virgo the Moon is navigating from the second to the final part of the lunar cycle.

Syzygy in 8 days

In 8 days on 25 August 2071 at 08:16 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