To easily execute the work start/end management of workers without the need of installing a special device or the like.
In a work starting/ending time management system, an information terminal which can be carried by a work starting/ending person and a server computer can communicate through the Internet. The server computer is provided with a work starting/ending time management database capable of storing specifying information capable of specifying the work starting/ending person and the work starting/ending time of the work starting/ending person in relation, and a time information output means capable of outputting time information at the point of time. The server computer is provided with an information reception step of receiving at least the specifying information and work start/end information indicating either work start or work end from the work starting/ending person and an authentication and judgement step of judging whether or not the received specifying information is present, and registers and manages the time information at the point of time outputted from the time information output means in the work starting/ending time management database in relation to the specifying information received so as to specify the work start or the work end pertinent to the work start/end information received in the information reception step.
Next Patent: WORK STARTING/ENDING TIME MANAGEMENT METHOD