Moon on Mon, December 21, 2026
Lunar 11/13
The Moon on this date is Waxing Gibbous, with about 88% of its disk illuminated.
Illumination
88%
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.
Most of the near side is illuminated from evening into late night.
The Moon on December 21, 2026
On December 21, 2026, the Moon will be a waxing gibbous, 12.1 days old and 88% illuminated, in the constellation Aries about 366,322 km (227,622 mi) from Earth. The next Full Moon will follow on December 24, 2026.
- Phase
- Waxing Gibbous
- Illumination
- 88%
- Moon age
- 12.1 days since New Moon
- Distance from Earth
- 366,322 km (227,622 mi)
- Constellation
- Aries
- Previous Full Moon
- November 24, 2026
- Next New Moon
- January 7, 2027
- Next Full Moon
- December 24, 2026
Moon phases around December 21, 2026
| Date | Moon | Lit | Age |
|---|---|---|---|
| 12/18 Fri | Waxing Gibbous | 59% | 9.1d |
| 12/19 Sat | Waxing Gibbous | 69% | 10.1d |
| 12/20 Sun | Waxing Gibbous | 79% | 11.1d |
| 12/21 Mon | Waxing Gibbous | 88% | 12.1d |
| 12/22 Tue | Waxing Gibbous | 94% | 13.1d |
| 12/23 Wed | Waxing Gibbous | 98% | 14.1d |
| 12/24 Thu | Full Moon | 100% | 15.1d |
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.