In order to record a program provided by a program broadcasting device, a recorder (5) that receives program identifying information provided by a program information providing device to record the program includes: a program identifying information detector (10) for detecting the program identifying information at least at one timing of start, duration, and end of the broadcasted program; and a recording operation controller (20) for controlling recording operation based on a detection result of the program identifying information detector (10). The recording operation controller (20) includes: a recording start/end determining section (21) for staring and/or ending the recording operation based on the detected program identifying information; and a recorded program determining section (22) for determining the program being recorded based on the program identifying information detected while the program is recorded.