Moon Phase

New Moon September 2025

Sunday, September 21, 2025 · US Eastern

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313 days sinceSeptember 21 dateSunday weekday

The New Moon was on Sunday, September 21, 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.