Moon Phase

Full Moon December 2025

Thursday, December 4, 2025 · US Eastern

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239 days sinceDecember 4 dateThursday weekday

The Full Moon was on Thursday, December 4, 2025. This countdown updates live to the second in US Eastern (ET) time. Track every full moon, new moon and quarter moon with ByBanker.

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Times shown in US Eastern (America/New_York) unless a zone is specified.