| abstract |
When at least a participant out of new event information including a desired holding date and time of a new event, a desired venue, participants is inputted, a server (20) or a user terminal (10) selects candidates of the date and time and the venue according to the personal schedule information of the participant acquired from the server (20) or the user terminal (10). In preference to either the date and time on and at which the weather forecast predicts that at least the weather will be good or the place to which the distance which the participant moves is short when the participant participates the new event, the date and time and the venue of the new event are determined and registered in the server (20) or the user terminal (10). |