15 часов - fifteen hours, 10 минут - ten minutes, в душ - in the shower. Examples: Steven works fifteen hours a day. She should not eat 15 hours after surgery. I was waiting for you at the station 10 minutes. It takes 10 minutes to reach the library. He was in the shower for a long time, i\'m tired of waiting for him, and went for a walk alone. Usually she is very slow and takes shower for an hour.