TIME CALCULATION SYSTEM, TIME CALCULATION METHOD, AND TIME CALCULATION PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a system capable of coping with an operation schedule which daily changes a pattern of operation time zone for a production line having non operation time zone and to calculate time information at high speed.

SOLUTION: Regarding the operation schedule in a predetermined period of the production line 10, the patterns of the operation time zone executed respectively in a plurality of unit times included in the predetermined period are registered for every time unit in an operation schedule table data storing device 20. Further, for every pattern of the operation time zone, the operation time zone of the production line excluding the non operation time from the predetermined reference time and the absolute time is registered for every absolute time as the relative time of the absolute time to the reference time in a relative time table storing device 24. A time information providing device 26 calculates the time information relating to the production line by acquiring the pattern of the operation time zone in the time unit to be calculated from the operation schedule table data and using the relative time information from the relative time table corresponding to the acquired pattern of the operation time.

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