In the Dajokan fukoku (proclamation by the Grand Council of State) No. 337 (1872) published on November 9, 1872 at the occasion of changing the lunar calendar to the solar calendar, the following 'imperial edict to change the calendar system' was raised, saying 'Now the proposal for kaireki (changing of calendar) is described in the other document and the intention would be delivered.'
明治5年11月9日太政官布告337号（1872年）において「今般改暦之儀別紙詔書写の通り仰せ出され候條、此の旨相達し候事」と太陰暦を太陽暦に改めるにあたって、次のような「改暦詔書写」を掲げている。