when is the full moon in august

The full moon in August 2025, known as the Sturgeon Moon, will occur on August 9. It is estimated to reach its peak illumination at around 3:54 to 3:57 a.m. EDT (around 8:55 a.m. BST in the UK), with the best viewing time during moonrise in the evening of August 9, when it appears large and golden near the horizon.