Moon Phase

Last Quarter Moon September 2026

Friday, September 4, 2026 · US Eastern

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34 days untilSeptember 4 dateFriday weekday

The Last Quarter Moon is on Friday, September 4, 2026. 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.