Moon on Thu, December 18, 2025
Lunar 10/29
The Moon on this date is Waning Crescent, with about 4% of its disk illuminated.
Illumination
4%
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.
A thin crescent appears low in the eastern sky before sunrise.
The Moon on December 18, 2025
On December 18, 2025, the Moon was a waning crescent, 27.8 days old and 4% illuminated, in the constellation Scorpius about 406,013 km (252,285 mi) from Earth. The next New Moon followed on December 20, 2025.
- Phase
- Waning Crescent
- Illumination
- 4%
- Moon age
- 27.8 days since New Moon
- Distance from Earth
- 406,013 km (252,285 mi)
- Constellation
- Scorpius
- Previous Full Moon
- December 4, 2025
- Next New Moon
- December 20, 2025
- Next Full Moon
- January 3, 2026
Moon phases around December 18, 2025
| Date | Moon | Lit | Age |
|---|---|---|---|
| 12/15 Mon | Waning Crescent | 21% | 24.8d |
| 12/16 Tue | Waning Crescent | 14% | 25.8d |
| 12/17 Wed | Waning Crescent | 8% | 26.8d |
| 12/18 Thu | Waning Crescent | 4% | 27.8d |
| 12/19 Fri | Waning Crescent | 1% | 28.8d |
| 12/20 Sat | New Moon | 0% | 0.1d |
| 12/21 Sun | Waxing Crescent | 1% | 1.1d |
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.