A distribution device for distributing time information to one or more items of sensor equipment that are to perform a measuring process in constant execution cycle based on the distributed time information of the distribution device, the distribution device comprising: a storage unit (151, 152, 153) configured to store cycle information indicating a distribution cycle, T, in which the time information is to be distributed, and is further configured to store a correction amount information indicating a correction amount, B, by which a local time of the distribution device is to be corrected at one time, wherein the correction amount, B, is set to not exceed an error tolerance range of the execution cycle of the measuring process to be performed by the sensor equipment; an acquisition unit configured to acquire a reference time; a calculation unit configured to calculate the difference, D, between the acquired reference time and the current local time; a correction unit configured to correct the local time to be distributed as follows: when the calculated difference, D, is greater than the correction amount, B, and at the same time the calculated difference, D, is equal to or smaller than a predetermined threshold, S, which is larger than the correction amount, B, the correction unit corrects the local time in successive distribution cycles, T, to approach the reference time, wherein in each correction of the local time in said successive distribution cycles, T, the local time is corrected by an amount equal to or smaller than the correction amount, B; when the calculated difference, D, is larger than the predetermined threshold, S, the correction unit corrects the local time to the reference time; and when the calculated difference, D, is smaller than or equal to the correction amount, B, the correction unit corrects the local time to the reference time; and a distribution unit configured to cyclically distribute time information indicating the local time to the sensor equipment based on the distribution cycle, T. a storage unit (151, 152, 153) configured to store cycle information indicating a distribution cycle, T, in which the time information is to be distributed, and is further configured to store a correction amount information indicating a correction amount, B, by which a local time of the distribution device is to be corrected at one time, wherein the correction amount, B, is set to not exceed an error tolerance range of the execution cycle of the measuring process to be performed by the sensor equipment; an acquisition unit configured to acquire a reference time; a calculation unit configured to calculate the difference, D, between the acquired reference time and the current local time; a correction unit configured to correct the local time to be distributed as follows: when the calculated difference, D, is greater than the correction amount, B, and at the same time the calculated difference, D, is equal to or smaller than a predetermined threshold, S, which is larger than the correction amount, B, the correction unit corrects the local time in successive distribution cycles, T, to approach the reference time, wherein in each correction of the local time in said successive distribution cycles, T, the local time is corrected by an amount equal to or smaller than the correction amount, B; when the calculated difference, D, is larger than the predetermined threshold, S, the correction unit corrects the local time to the reference time; and when the calculated difference, D, is smaller than or equal to the correction amount, B, the correction unit corrects the local time to the reference time; and when the calculated difference, D, is greater than the correction amount, B, and at the same time the calculated difference, D, is equal to or smaller than a predetermined threshold, S, which is larger than the correction amount, B, the correction unit corrects the local time in successive distribution cycles, T, to approach the reference time, wherein in each correction of the local time in said successive distribution cycles, T, the local time is corrected by an amount equal to or smaller than the correction amount, B; when the calculated difference, D, is larger than the predetermined threshold, S, the correction unit corrects the local time to the reference time; and when the calculated difference, D, is smaller than or equal to the correction amount, B, the correction unit corrects the local time to the reference time; and a distribution unit configured to cyclically distribute time information indicating the local time to the sensor equipment based on the distribution cycle, T.