Patent ID: 8600670

Claim:
A method for managing a schedule based on a user's location information by a system for managing a schedule, the method comprising: receiving a schedule including at least one of an appointment location, appointment contents, an appointment time, and an appointment target person's phone number from the user; registering the schedule which includes the user's location information by schedule registration unit of the system; detecting the user's location by a location detection unit of the system; and sending a message related to the schedule or the user's location by a sending unit of the system, wherein the sending of the message related to the schedule or the user's location by the sending unit of the system sends information of a changed appointment time and place to the appointment target person when the user changes the appointment schedule, and wherein the sending of the message related to the schedule or the user's location sends a message reporting an increase and/or a decrease of an index number related to a user's character depending on whether the user arrives at the appointment location in time based on the user's location detected by the location detection unit.