Harvest Moon 2024 Peak Time. In 2024, the harvest moon will occur on september 18 at 02:34 gmt (in the northern hemisphere). According to nasa, the moon will enter earth's partial shadow at 8:41 pm edt, but it's the peak of the eclipse that viewers will want to witness.

The moon will exit the full shadow at 11:16 p.m. While the moon will slightly dim around.