Moon on Fri, December 12, 2025
Lunar 10/23
The Moon on this date is Waning Crescent, with about 48% of its disk illuminated.
Illumination
48%
Moonrise
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Moonset
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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 12, 2025
On December 12, 2025, the Moon was a waning crescent, 21.8 days old and 48% illuminated, in the constellation Leo about 393,276 km (244,370 mi) from Earth. The next New Moon followed on December 20, 2025.
- Phase
- Waning Crescent
- Illumination
- 48%
- Moon age
- 21.8 days since New Moon
- Distance from Earth
- 393,276 km (244,370 mi)
- Constellation
- Leo
- Previous Full Moon
- December 4, 2025
- Next New Moon
- December 20, 2025
- Next Full Moon
- January 3, 2026
Moon phases around December 12, 2025
| Date | Moon | Lit | Age |
|---|---|---|---|
| 12/9 Tue | Waning Gibbous | 77% | 18.8d |
| 12/10 Wed | Waning Gibbous | 68% | 19.8d |
| 12/11 Thu | Waning Gibbous | 58% | 20.8d |
| 12/12 Fri | Waning Crescent | 48% | 21.8d |
| 12/13 Sat | Waning Crescent | 38% | 22.8d |
| 12/14 Sun | Waning Crescent | 29% | 23.8d |
| 12/15 Mon | Waning Crescent | 21% | 24.8d |
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.