Moon · December 2027
Moon calendar for Seattle, Washington, United States: December 2027
Daily moon phases, illumination, moonrise and moonset in Seattle, Washington, United States for December 2027. Full moon: December 13, 2027. All times are shown in the local time of Seattle, Washington, United States.
Full moonMonday, December 13, 2027, 10:08 AM
New moonMonday, December 27, 2027, 9:43 AM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Crescent | 14% | 10:25 AM | 8:04 PM |
| 2 | Waxing Crescent | 21% | 10:56 AM | 9:19 PM |
| 3 | Waxing Crescent | 29% | 11:30 AM | 10:17 PM |
| 4 | Waxing Crescent | 38% | 11:39 AM | 11:30 PM |
| 5 | First Quarter | 47% | 11:52 AM | — |
| 6 | First Quarter | 57% | 12:08 PM | 12:22 AM |
| 7 | Waxing Gibbous | 66% | 12:23 PM | 1:34 AM |
| 8 | Waxing Gibbous | 75% | 12:31 PM | 2:28 AM |
| 9 | Waxing Gibbous | 83% | 1:05 PM | 3:20 AM |
| 10 | Waxing Gibbous | 90% | 1:32 PM | 5:05 AM |
| 11 | Waxing Gibbous | 95% | 1:56 PM | 6:19 AM |
| 12 | Waxing Gibbous | 99% | 2:29 PM | 7:38 AM |
| 13 | Full Moon | 100% | 3:37 PM | 8:33 AM |
| 14 | Waning Gibbous | 98% | 4:38 PM | 9:39 AM |
| 15 | Waning Gibbous | 94% | 6:13 PM | 10:19 AM |
| 16 | Waning Gibbous | 88% | 7:37 PM | 10:41 AM |
| 17 | Waning Gibbous | 79% | 9:01 PM | 11:28 AM |
| 18 | Waning Gibbous | 69% | 10:22 PM | 11:38 AM |
| 19 | Last Quarter | 57% | 11:42 PM | 11:58 AM |
| 20 | Last Quarter | 46% | — | 12:19 PM |
| 21 | Waning Crescent | 34% | 1:09 AM | 12:29 PM |
| 22 | Waning Crescent | 24% | 2:21 AM | 1:10 PM |
| 23 | Waning Crescent | 15% | 3:39 AM | 1:36 PM |
| 24 | Waning Crescent | 9% | 4:47 AM | 2:11 PM |
| 25 | Waning Crescent | 4% | 6:04 AM | 2:45 PM |
| 26 | New Moon | 1% | 7:06 AM | 3:45 PM |
| 27 | New Moon | 0% | 7:49 AM | 4:39 PM |
| 28 | Waxing Crescent | 1% | 8:24 AM | 5:46 PM |
| 29 | Waxing Crescent | 4% | 9:02 AM | 6:54 PM |
| 30 | Waxing Crescent | 9% | 9:32 AM | 8:05 PM |
| 31 | Waxing Crescent | 15% | 9:42 AM | 9:18 PM |
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Frequently asked questions
When is the full moon in December 2027 in Seattle, Washington, United States?
The full moon peaks on Monday, December 13, 2027, 10:08 AM (local time).
When is the new moon in December 2027?
The new moon falls on Monday, December 27, 2027, 9:43 AM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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