A program signal is recorded on a recording medium. The program signal is reproduced from the recording medium. First time information is generated in accordance with lapse of time. Second time information is generated from the reproduced program signal. The second time information represents one of (1) a time at which the program signal was recorded and (2) a time at which the program signal was broadcasted. On-screen information is superimposed on the reproduced program signal. The on-screen information represents (1) a picture portion indicative of a time, (2) a first mark positionally corresponding to the first time information, and (3) a second mark positionally corresponding to the second time information.