Waning Gibbous on . The illuminated surface of the moon is 85% and getting smaller. The lunar cycle is 18 days old.
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.
Slide horizontally to discover the moon phase on nearby dates.
Main moon phases of the following lunar cycle.
Moon is leaving the last ∠3° of ♉ Taurus tropical zodiac sector and will enter ♊ Gemini later.
Previous main lunar phase is the Full Moon before 3 days on 30 September 2031 at 18:58.
Next Full Moon is the Hunter Moon of October 2031 after 25 days on 30 October 2031 at 07:33.
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.
Lunar disc appears visually 5.4% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1817" and ∠1918".
The Moon is 18 days old and navigating from the middle to the last part of the current synodic month. This is lunation 392 of Meeus index or 1345 from Brown series.
The length of this lunation is 29 days, 13 hours and 34 minutes and it is 45 minutes longer 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°).
The length of the current synodic month is 50 minutes longer than the mean synodic month length. It is 6 hours and 13 minutes shorter compared to 21st century's longest synodic month length.
The true anomaly of the Moon orbit at the beginning of this lunation cycle is ∠245.2° and at the beginning of the next lunar synodic month the true anomaly is going to be ∠281.8°.
7 days since point of perigee on 27 September 2031 at 07:09 in ♒ Aquarius the lunar orbit is getting widen while the Moon is moving away from the Earth. It will keep this direction over the next 4 days until the Moon reaches the point of next apogee on 9 October 2031 at 06:23 in ♋ Cancer.
The Moon is 394 493 km (245 127 mi) away from Earth and getting further over the next 4 days until the point apogee when Earth-Moon distance is going to be 404 365 km (251 261 mi).
1 day after descending node on 3 October 2031 at 22:04 in ♉ Taurus the Moon is positioned south of the ecliptic over the following 13 days until the lunar crosses the ecliptic again from South to North in ascending node on 18 October 2031 at 06:54 in ♏ Scorpio.
11 days since the last southern standstill on 23 September 2031 at 05:46 in ♐ Sagittarius when the Moon has reached South declination of ∠-20.501° the lunar orbit is extending northward over the next day to face maximum declination of ∠20.418° at the point of next northern standstill on 6 October 2031 at 07:31 in ♊ Gemini.
13 days since the beginning of this draconic month in ♏ Scorpio the Moon is navigating from the middle to the last part of the lunar cycle.
In 11 days on 16 October 2031 at 08:21 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.
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