Moon Phase

First Quarter Moon August 2026

Thursday, August 20, 2026 · US Eastern

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19 days untilAugust 20 dateThursday weekday

The First Quarter Moon is on Thursday, August 20, 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.