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

Waning Gibbous in Aquarius

Waning Gibbous on . The illuminated surface of the moon is 98% and getting smaller. The lunar cycle is 16 days old.

Moonrise and moonset

The 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 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 ♒ Aquarius

Moon is leaving the last ∠4° of ♒ Aquarius tropical zodiac sector and will enter ♓ Pisces later.

1 day after Full Moon

Previous main lunar phase is the Full Moon before 1 day on 1 August 2099 at 02:59.

Sturgeon Moon before 1 day

Next Full Moon is the Sturgeon Moon of August 2099 after 28 days on 30 August 2099 at 17:56.

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.

Apparent angular diameter ∠1781"

Lunar disc appears visually 6% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1781" and ∠1891".

Lunation 1231 / 2184

The Moon is 16 days old and navigating from the middle to the last part of the current synodic month. This is lunation 1231 of Meeus index or 2184 from Brown series.

Synodic month length 29.33 days

The length of this lunation is 29 days, 7 hours and 54 minutes and it is 2 minutes shorter than the upcoming lunation's length. This is the year's shortest synodic month of 2099. 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 50 minutes shorter than the mean synodic month length. It is 1 hour and 19 minutes longer compared to 21st century's shortest synodic month length.

Lunar orbit details for

True anomaly ∠320.2°

The true anomaly of the Moon orbit at the beginning of this lunation cycle is ∠320.2° and at the beginning of the next lunar synodic month the true anomaly is going to be ∠339.4°.

Moon before apogee

12 days since point of perigee on 20 July 2099 at 12:45 in ♍ Virgo the lunar orbit is getting widen while the Moon is moving away from the Earth. It will keep this direction over the next 2 days until the Moon reaches the point of next apogee on 5 August 2099 at 08:15 in ♓ Pisces.

Distance to Moon 402 481 km

The Moon is 402 481 km (250 090 mi) away from Earth and getting further over the next 2 days until the point apogee when Earth-Moon distance is going to be 405 336 km (251 864 mi).

Moon before ascending node

11 days after descending node on 22 July 2099 at 07:44 in ♍ Virgo the Moon is positioned south of the ecliptic over the following 2 days until the lunar crosses the ecliptic again from South to North in ascending node on 5 August 2099 at 03:00 in ♓ Pisces.

Moon after southern standstill

4 days since the last southern standstill on 28 July 2099 at 23:58 in ♐ Sagittarius when the Moon has reached South declination of ∠-28.504° the lunar orbit is extending northward over the next 10 days to face maximum declination of ∠28.579° at the point of next northern standstill on 12 August 2099 at 14:22 in ♊ Gemini.

Draconic month

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

Syzygy in 13 days

In 13 days on 16 August 2099 at 08:54 in ♌ Leo 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