Quarter ♐ Sagittarius
First Quarter is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 47% and growing larger. The 7 days young Moon is in ♏ Scorpio.
* The exact date and time of this First Quarter phase is on 25 August 2031 at 18:40 UTC.
Moon rises at noon and sets at midnight. It is visible high in the southern sky in early evening.
Lunar disc appears visually 1.8% wider than solar disc. Moon and Sun apparent angular diameters are ∠1934" and ∠1898".
Next Full Moon is the Harvest Moon of September 2031 after 6 days on 1 September 2031 at 09:20.
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.
The Moon is 7 days young. Earth's natural satellite is moving through the first part of current synodic month. This is lunation 391 of Meeus index or 1344 from Brown series.
The length of the lunation is 29 days, 14 hours and 15 minutes. It is 41 minutes longer than the next lunation's length. The lengths of the following synodic months are going to decreasing with the 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 1 hour and 31 minutes longer than the mean synodic month length. It is 5 hours and 32 minutes shorter compared to 21st century's longest synodic month length.
At the beginning of the lunation cycle the true anomaly is ∠213.5°. At the beginning of next synodic month the true anomaly is going to be ∠245.2°.
10 days after point of apogee on 14 August 2031 at 21:37 in ♋ Cancer. The lunar orbit is getting narrow, while the Moon is moving towards the Earth. It will keep this direction over the next 5 days, until the Moon reaches the point of next perigee on 30 August 2031 at 12:53 in ♒ Aquarius.
The Moon is 370 706 km (230 346 mi) away from Earth and getting closer over the next 5 days until the point perigee when Earth-Moon distance is going to be 361 684 km (224 740 mi).
Moon is in ascending node in ♏ Scorpio at 01:21 crossing the ecliptic from South to North to meet descending node 12 days later on 6 September 2031 at 16:34 in ♉ Taurus.
At 01:21 the Moon completes the previous draconic month and enters the new one.
12 days since the previous standstill on 12 August 2031 at 15:58 in ♊ Gemini when the Moon has reached North declination of ∠20.868°, the lunar orbit is extending southward over the next day to face maximum declination of ∠-20.731° at the point of next southern standstill on 26 August 2031 at 23:55 in ♐ Sagittarius.
In 6 days on 1 September 2031 at 09:20 in ♓ Pisces the Moon is going to be in a Full Moon geocentric opposition with the Sun and thus forming the next Sun-Earth-Moon syzygy alignment.