Moon · December 2026
Moon calendar for Portland, Maine, United States: December 2026
Daily moon phases, illumination, moonrise and moonset in Portland, Maine, United States for December 2026. Full moon: December 23, 2026. All times are shown in the local time of Portland, Maine, United States.
Full moonWednesday, December 23, 2026, 8:16 PM
New moonTuesday, December 8, 2026, 6:17 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Last Quarter | 46% | 11:49 PM | 12:28 PM |
| 2 | Waning Crescent | 35% | — | 12:59 PM |
| 3 | Waning Crescent | 25% | 1:13 AM | 1:30 PM |
| 4 | Waning Crescent | 17% | 2:19 AM | 1:39 PM |
| 5 | Waning Crescent | 10% | 3:33 AM | 2:10 PM |
| 6 | Waning Crescent | 5% | 4:26 AM | 2:27 PM |
| 7 | Waning Crescent | 2% | 5:39 AM | 3:21 PM |
| 8 | New Moon | 0% | 6:29 AM | 3:48 PM |
| 9 | New Moon | 1% | 7:37 AM | 4:32 PM |
| 10 | Waxing Crescent | 3% | 8:21 AM | 5:38 PM |
| 11 | Waxing Crescent | 7% | 9:05 AM | 6:29 PM |
| 12 | Waxing Crescent | 12% | 9:37 AM | 7:40 PM |
| 13 | Waxing Crescent | 19% | 10:04 AM | 8:37 PM |
| 14 | Waxing Crescent | 27% | 10:24 AM | 9:46 PM |
| 15 | Waxing Crescent | 36% | 10:33 AM | 10:57 PM |
| 16 | First Quarter | 46% | 11:14 AM | — |
| 17 | First Quarter | 57% | 11:33 AM | 12:09 AM |
| 18 | Waxing Gibbous | 67% | 11:42 AM | 1:27 AM |
| 19 | Waxing Gibbous | 77% | 12:20 PM | 2:24 AM |
| 20 | Waxing Gibbous | 85% | 12:27 PM | 3:43 AM |
| 21 | Waxing Gibbous | 92% | 1:30 PM | 5:12 AM |
| 22 | Waxing Gibbous | 97% | 2:00 PM | 6:22 AM |
| 23 | Full Moon | 100% | 3:02 PM | 7:38 AM |
| 24 | Full Moon | 99% | 4:15 PM | 8:26 AM |
| 25 | Waning Gibbous | 96% | 5:37 PM | 9:28 AM |
| 26 | Waning Gibbous | 91% | 6:57 PM | 9:45 AM |
| 27 | Waning Gibbous | 83% | 8:21 PM | 10:19 AM |
| 28 | Waning Gibbous | 73% | 9:37 PM | 10:30 AM |
| 29 | Waning Gibbous | 63% | 10:37 PM | 11:08 AM |
| 30 | Last Quarter | 52% | — | 11:32 AM |
| 31 | Last Quarter | 41% | 12:00 AM | 11:40 AM |
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Frequently asked questions
When is the full moon in December 2026 in Portland, Maine, United States?
The full moon peaks on Wednesday, December 23, 2026, 8:16 PM (local time).
When is the new moon in December 2026?
The new moon falls on Tuesday, December 8, 2026, 6:17 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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