Not only did he succeed in grasping the authority in making and announcing the calendar, he also succeeded in making Onmyoryo (a government office that had jurisdiction over calendar preparation, astronomy, divination, etc.) seize the jurisdiction over measurements and astronomy.
編暦・頒暦といった暦の権限のみならず、測量・天文などの管轄権を陰陽寮が掌握する事に成功する。