To reduce the labor of the collection of working hour data.

This time recorder 1 is configured of a clock and an RF reader/ writer 3, and a non-contact IC card 10 is used as a time card, and time data are written in the non-contact IC card. The time data can be read out in a batch from the plurality of non-contact IC cards by a computer for totalizing and an RF reader/writer, and any device or labor for transferring data from the time recorder to a host computer can be eliminated. Furthermore, it is not necessary to provide any data base such as a employee code number or working hour time system or any memory for storing personal attending/leaving office time data in the time recorder main body, and the configurations of the time recorder can be simplified.