| 摘要 |
PROBLEM TO BE SOLVED: To provide a delivery date determination system and the like enabling a stable supply of gas supply, reducing brought-back gas remaining volumes, and capable of determining a delivery date of a gas container.SOLUTION: A delivery server 101 comprises: an updating unit 31 that, when indicator data for a gas meter that detects the gas usage volume for a gas container is received, updates the remaining gas volume of the storage device 307 on the basis of a gas usage volume obtained on the basis of a comparison of a plurality of indicator data including the indicator data; a prediction unit 32 that predicts future remaining gas volumes by reducing the updated remaining gas volumes on the basis of changes in gas usage volumes obtained on the basis of a comparison of gas usage volumes used in the past for the gas container; and a determination unit 33 that determines, as the delivery day for the gas container in each supply equipment, a day for which the predicted remaining gas volume will reach a prescribed value. |
