Blue Moon August 19 2025. The full sturgeon moon, a name derived from native americans, will swim across the heavens on monday, aug. People will expect the blue moon reaching its peak illumination on august 19, 2025, at 2:26 pm edt (1:26 pm cdt), according to nasa.

But it won’t be just any old full moon, it will be a supermoon blue. This supermoon will be visible on 19 august and will appear full in the sky for three days.