The record for most live hours on TV in a week by a host is held by Monta Mino (Japan) who is the regular host of a total of 11 live-broadcast programs every week. He appears on on TV as host for a combined total of 22 hours and 15 seconds every week.
His real name is Norio Minorikawa. Mino Monta is an emcee famed as the “host amongst hosts” in Japan today.