Waning Gibbous on . The illuminated surface of the moon is 82% and getting smaller. The lunar cycle is 19 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 passing about ∠6° of ♊ Gemini tropical zodiac sector.
Previous main lunar phase is the Full Moon before 3 days on 5 October 2017 at 18:40.
Next Full Moon is the Beaver Moon of November 2017 after 25 days on 4 November 2017 at 05:23.
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 2.3% wider than solar disc. Moon and Sun apparent angular diameters are ∠1967" and ∠1921".
The Moon is 19 days old and navigating from the middle to the last part of the current synodic month. This is lunation 219 of Meeus index or 1172 from Brown series.
The length of this lunation is 29 days, 13 hours and 42 minutes and it is 2 hours and 48 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°).
The length of the current synodic month is 58 minutes longer than the mean synodic month length. It is 6 hours and 5 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 ∠79° and at the beginning of the next lunar synodic month the true anomaly is going to be ∠114.6°.
Moon is at perigee at 05:51 about 11 days since last apogee on 27 September 2017 at 06:49 in ♐ Sagittarius the lunar orbit is going to widen while the Moon is moving away from the Earth over the upcoming 15 days until point of next apogee on 25 October 2017 at 02:25 in ♑ Capricorn.
This perigee Moon is 366 858 km (227 955 mi) away from Earth. It is 4 350 km closer than the mean perigee distance, but it is still 3 498 km further than the closest perigee of 21st century.
7 days after descending node on 2 October 2017 at 02:05 in ♒ Aquarius the Moon is positioned south of the ecliptic over the following 5 days until the lunar crosses the ecliptic again from South to North in ascending node on 14 October 2017 at 22:10 in ♌ Leo.
11 days since the last southern standstill on 28 September 2017 at 10:06 in ♑ Capricorn when the Moon has reached South declination of ∠-19.516° the lunar orbit is extending northward over the next 2 days to face maximum declination of ∠19.616° at the point of next northern standstill on 11 October 2017 at 18:21 in ♋ Cancer.
21 days since the beginning of this draconic month in ♌ Leo the Moon is navigating from the second to the final part of the lunar cycle.
In 10 days on 19 October 2017 at 19:12 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
