Moon on Mon, August 31, 2026
Lunar 7/19
The Moon on this date is Waning Gibbous, with about 91% of its disk illuminated.
Illumination
91%
Moonrise
--:--
Moonset
--:--
Moonrise and moonset are for Seoul. Moonset is when the Moon that rose this day sets, so it can fall on the next day.
Past full, it rises later in the evening and remains bright toward dawn.
The Moon on August 31, 2026
On August 31, 2026, the Moon was a waning gibbous, 18.4 days old and 91% illuminated, in the constellation Pisces about 380,328 km (236,325 mi) from Earth. The next New Moon followed on September 11, 2026.
- Phase
- Waning Gibbous
- Illumination
- 91%
- Moon age
- 18.4 days since New Moon
- Distance from Earth
- 380,328 km (236,325 mi)
- Constellation
- Pisces
- Previous Full Moon
- August 28, 2026
- Next New Moon
- September 11, 2026
- Next Full Moon
- September 26, 2026
Moon phases around August 31, 2026
| Date | Moon | Lit | Age |
|---|---|---|---|
| 8/28 Fri | Full Moon | 100% | 15.4d |
| 8/29 Sat | Waning Gibbous | 99% | 16.4d |
| 8/30 Sun | Waning Gibbous | 96% | 17.4d |
| 8/31 Mon | Waning Gibbous | 91% | 18.4d |
| 9/1 Tue | Waning Gibbous | 83% | 19.4d |
| 9/2 Wed | Waning Gibbous | 74% | 20.4d |
| 9/3 Thu | Waning Gibbous | 64% | 21.4d |
Values are calculated with Astronomy Engine at 12:00 Korea Standard Time (03:00 UTC) on each date; New and Full Moon dates are in UTC. Moon age counts days since the New Moon; distance is centre to centre.