An unusual lunar event that happens only once every 33 months is occurring on Saturday — but you won’t be able to see it. A black moon will rise on Aug. 23 as the moon passes through its new moon phase at 2:06 a.

Early Saturday morning, August 23, at 1:06 a.m. CDT, the moon will slip into its new moon phase. That happens about once every month, but this one comes

A rare lunar phase called a Black Moon is expected to be in the night sky later this week. Here's when it will happen.