To provide an information recording and reproducing device with which information recording by a timer reservation consistent with the starting time of a broadcast program different from the hour can be performed, the effective utilization of an information recording medium is possible, and a user does not spend an idle time when reproducing recorded information.

The device is provided with a time determination key 1a provided in an input means 1, and a control means 10 to store the data of the nearest hour to the operation time point as a base time in the prescribed area of a memory 10a, when the time determination key 1a is operated based on the selection operation of the channel key of the input means 1 while receiving a broadcast program and the operation time point is not the hour, then to read the base time data of the selected channel from the prescribed area of the memory 10a to store as a recording start time to the memory 10a when the recording start time is inputted by a key 1b for reservation following the channel selection.