Schedule notifying system capable of correcting schedule date and time

A schedule notifying system comprising a mobile communication network, an information terminal, another network for connecting between said information terminal and said mobile communication network, a plurality of base stations connected to said mobile communication network, and a plurality of mobile communication terminals for carrying out transmission and reception with any of said plurality of base stations, said information terminal transmitting schedule data including original schedule date and time to said plurality of base stations via said other network and said mobile communication network, each of said plurality of base stations receiving said schedule date from said information terminal and transmitting received schedule data toward said mobile communication terminals belonging to an area of said base station in question, each of said plurality of mobile communication terminals being operable in synchronism with a current set date and time set by a user, each of said plurality of mobile communication terminals having a registering function for registering said schedule data received from said base station and a notifying function for notifying the user of said schedule date when said current set date and time comes to a registered schedule date and time, wherein

• all of said plurality of base stations are operable in synchronism with a current reference date and time in common, each of said plurality of base stations including means for transmitting said received schedule date with information indicative of said current reference date and time added thereto;
• and
• each of said plurality of mobile communication terminals comprising correcting means for correcting said original schedule date and time included in said received schedule date on the basis of said current reference date and time and said current set date and time on receiving said schedule date to obtain said registered schedule date and time.

A schedule notifying system comprising a mobile communication network, an information terminal, another network for connecting between said information terminal and said mobile communication network, a plurality of base stations connected to said mobile communication network, and a plurality of mobile communication terminals for carrying out transmission and reception with any of said plurality of base stations, said information terminal transmitting schedule data including original schedule date and time to said plurality of base stations via said other network and said mobile communication network, each of said plurality of base stations receiving said schedule date received from said information terminal and transmitting received schedule data toward said mobile communication terminals belonging to an area of said base station in question, each of said plurality of mobile communication terminals being operable in synchronism with a current set date and time set by a user, each of said plurality of mobile communication terminals having a registering function for registering said schedule data received from said base station and a notifying function for notifying the user of said schedule date when said current set date and time comes to a registered schedule date and time, wherein

• all of said plurality of base stations axe operable in synchronism with a current reference date and time in common, each of said plurality of base stations including means for transmitting said received schedule date with information indicative of said current reference date and time and information indicative of a time difference added thereto;
• and
• each of said plurality of mobile communication terminals comprising correcting means for correcting said original schedule date and time included in said received schedule date on the basis of said time difference, and said current reference date and time and said current set date and time on receiving said schedule date to obtain said registered schedule date and time.