Time management server, time management system and time management method

摘要

PROBLEM TO BE SOLVED: To easily maintain a relationship between a source data and source setting time information in a source information terminal, in a destination terminal.;SOLUTION: The time management system 100 includes a plurality of information terminals 10a to 10c, a reference time management device 20, a network 30 and a plurality of time management servers 40a and 40b. The time management servers 40a and 40b calculate a difference between terminal reference time and inter-terminal reference time acquired for each processing, and adds the difference to the inter-terminal reference time to thereby calculate terminal reference time of a destination information terminal as calculated set time information.;COPYRIGHT: (C)2011,JPO&INPIT