Your friends presented you with an old fashioned alarm clock. It is 6 p.m. and you have to wake up tomorrow at 7 a.m. You set the clock accordingly. When will it go off?

Science Trivia: Your friends presented you with an old fashioned alarm clock. It is 6 p.m. and you have to wake up tomorrow at 7 a.m. You set the clock accordingly. When will it go off?