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

Waning Gibbous in Aries

Waning Gibbous on . The illuminated surface of the moon is 97% 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 ♈ Aries

Moon is passing about ∠10° of ♈ Aries tropical zodiac sector.

1 day after Full Moon

Previous main lunar phase is the Full Moon before 1 day on 10 September 2098 at 17:33.

Harvest Moon before 1 day

Next Full Moon is the Hunter Moon of October 2098 after 27 days on 10 October 2098 at 09:20.

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 ∠1805"

Lunar disc appears visually 5.5% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1805" and ∠1907".

Lunation 1220 / 2173

The Moon is 16 days old and navigating from the middle to the last part of the current synodic month. This is lunation 1220 of Meeus index or 2173 from Brown series.

Synodic month length 29.35 days

The length of this lunation is 29 days, 8 hours and 24 minutes and it is 2 hours and 8 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 4 hours and 20 minutes shorter than the mean synodic month length. It is 1 hour and 49 minutes longer compared to 21st century's shortest synodic month length.

Lunar orbit details for

True anomaly ∠10.1°

The true anomaly of the Moon orbit at the beginning of this lunation cycle is ∠10.1° and at the beginning of the next lunar synodic month the true anomaly is going to be ∠26.9°.

Moon after apogee

4 days since point of apogee on 7 September 2098 at 19:51 in ♒ Aquarius the lunar orbit is getting narrow while the Moon is moving towards the Earth. It will keep this direction over the next 10 days until the Moon reaches the point of next perigee on 23 September 2098 at 09:26 in ♍ Virgo.

Distance to Moon 397 151 km

The Moon is 397 151 km (246 778 mi) away from Earth and getting closer over the next 10 days until the point perigee when Earth-Moon distance is going to be 361 024 km (224 330 mi).

Moon in ascending node

Moon is in ascending node in ♈ Aries at 21:33 crossing the ecliptic from South to North. Lunar position remains north of if for the upcoming 13 days until Moon's next descending node later on 25 September 2098 at 20:31 in ♎ Libra.

Moon before northern standstill

8 days since the last southern standstill on 4 September 2098 at 08:51 in ♑ Capricorn when the Moon has reached South declination of ∠-28.462° the lunar orbit is extending northward over the next 6 days to face maximum declination of ∠28.525° at the point of next northern standstill on 18 September 2098 at 20:59 in ♊ Gemini.

New draconic month

At 21:33 in the point ot ascending node the Moon is completing the last draconic month and is entering a new one while the lunar orbit is crossing the ecliptic from South to North.

Syzygy in 12 days

In 12 days on 25 September 2098 at 00:17 in ♎ Libra 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