The biggest full moon of 2025, a so-called supermoon, will rise on Wednesday, Nov. 5, lighting up the night sky with its dramatic glow.
At 5:30 p.m. EST (2230 GMT), the moon will reach its closest point to the Earth for the year, known as perigee, at a distance of 221,726 miles (356,833 kilometers). Nine hours and 11 minutes prior to that, the moon will officially turn full. It will, in fact, be the biggest Though a full moon theoretically lasts just a moment, that moment is imperceptible to ordinary observation, and for a day or so before and after most will speak of seeing the nearly full moon as "full": the shaded strip is so narrow, and changing in apparent width so slowly, that it is hard for the naked eye to tell whether that dark strip is present or on which side it is.
