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Moon Phase on December 18, 2026
The estimated moon phase on December 18, 2026 is First Quarter.
| Date | 2026-12-18 |
|---|---|
| Moon phase | First Quarter |
| Estimated moon age | 9.1 days |
| Estimated illumination | 67% |
| Estimated next full moon | about 5.7 days later |
| Estimated next new moon | about 20.5 days later |
Moon phase values are calculated estimates for general sky planning. Local moonrise, moonset, and exact full moon moment can vary by timezone.