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Story summary
- On December 4, 2025, the Cold Moon Supermoon will peak at 6:14 PM EST in Arizona, the last supermoon of the year.
- Arizona ranks second in the U.S. for visibility, after New Mexico, due to dry air and minimal light pollution.
- Ideal viewing spots include Sedona, Flagstaff, and Saguaro National Park.
- The Cold Moon will appear larger and brighter because it is at its closest approach to Earth.
