Japan Know How archive
Japanese Eras
Japanese documents do not use one consistent calendar. Follow the same date across a driver’s license, residence card and family register to see where Western years appear, where era conversion is required and how copying a date literally can create a form error.
Japanese Eras
Japan has not banned Western years from official paperwork. The real rule is form by form: family-register records favor era years, residence cards use Western dates, and licenses mix both. This guide shows how to read the field before entering a date.
Japanese Eras
Heisei ended in 2019, but its flip phones, purikura, loose socks, and gyaru styling already look retro to young consumers. Here are the Japanese terms that explain how a recent era became a cultural label.
Japanese Eras
Japan has used around 250 era names since 645, several of them under a year because a fire or a comet forced a reset. Showa is the long outlier.
Japanese Eras
Two characters, easy to write, never used before, no clash with a famous name, and no repeat of the initials M, T, S, H or R. The shortlist Reiwa beat.
Japanese Eras
Suga held the card up before midday, thirty years after Obuchi did the same for Heisei. What happened in the room, and why the name stayed sealed.
Japanese Eras
Scholars submit candidates, a cabinet picks one, and a country repaints its forms. The rules a new era name must pass and who actually signs off.
Japanese Eras
1912, 1926, 1989 and 2019 each split between two eras on a specific day. The exact boundaries, and why Showa 64 lasted a week.
Japanese Eras
Japan runs two calendars at once. Five eras, one subtraction each, and the two details that turn a simple conversion into a wrong answer.
