To obtain an accurate amount claimed dealing with the execution of the daylight saving time.

A CPU 10 shifts the present time memorized in a present time data memory 12A as much as a prescribed time when the prescribed data which is the daylight saving time switching day comes, in an electronic cash resister disposed in a time-control toll parking device. When a leaving time is inputted by an input device 12, an objective time when the parking lot is used is determined, and the amount to be charged corresponding to the objective time is determined based on the amount corresponding to time units. In this case, the amount to be charged is calculated in accordance with a calculation method of the amount claimed (a basic charge system, a divided charge system, a special charge system) memorized in a charge system data memory 12B and prescribed beforehand, and corresponding to the shifted time.