Hirohito's death ended the Shōwa era. On the next day, 8 January 1989, a new era began: the Heisei era, effective at midnight the following day. From 7 January until 31 January, Hirohito's formal appellation was . His definitive posthumous name, , was determined on 13 January and formally released on 31 January by Prime Minister Noboru Takeshita.
Hirohito's death ended the Shōwa era. On the next day, 8 January 1989, a new era began: the Heisei era effective at midnight the following day. From 7 January unti,l 31 January, Hirohito's formal appellation was . His definitive posthumous name, , was determined on 13 January and formally released on 31 January by Prime Minister Noboru Takeshita.