Timing: 4 15 minute quarters using a 15-minute halftime (from the ArenaBowl, half an hour). The clock stops for out-of-bounds plays and incomplete passes only in the last 50 percent-minute of regulation [seventy eight] and extra time and when the referee deems it necessary for penalties, injuries or timeouts. Except https://trevoruhvht.thezenweb.com/not-known-facts-about-famous-arena-in-the-world-74442679