A schedule management device which automatically switches the call receiving operation of the handy phone or the like corresponding to the user's schedule comprises one or more call receiving notification section to notify the user that a call is received from outside, a utilization environment registration section for registration of and reference to the utilization environment schedule for each time zone of the user, a call receiving operation registration section which sets each utilization environment registered to the utilization environment registration section to one of the call receiving notification sections and a call receiving notification execution section which, upon receipt of any call from outside, refers to the current utilization environment of the user registered to the utilization environment registration section and notifies the user of call receiving by the call receiving notification section corresponding to the current utilization environment set in the call receiving operation registration section.