Approximately 70 years later in 1755, however, when Yasukuni TSUCHIMIKADO made Horyaku reki (Horyaku calendar) successfully reforming the calendar and regaining the rights of regulating the calendar and calendar reform, but it is said that Horyaku reki contained numerous flaws and was considered to be inferior to the scientifically developed Jokyo reki.
しかし、約70年後の1755年、土御門泰邦が宝暦暦を組んで改暦に成功し、暦の差配や改暦の権限を奪還したものの、宝暦暦には不備が多く見られ、科学的に作られた貞享暦よりもむしろ劣っていたとされている。