The days of Emperor Taisho's and Emperor Showa's Sokui no rei were set as national holidays by the Imperial edicts, and the day of the present Emperor's Sokui no rei of was set as a national holiday by the law.
その際、大正天皇と昭和天皇の即位の礼のときは勅令によって、今上天皇の即位の礼のときは法律によって、祝日として定められた。