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Japan Know How archive

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Japanese Eras

From Taika to Reiwa, With Some Lasting Months

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.

Megan Rothwell

Japanese Eras

Six Tests Before Two Kanji Are Approved

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.

Megan Rothwell

Japanese Eras

The First Era Name Not Taken From China

Every earlier era name traced back to a Chinese classic. Reiwa was pulled from an eighth-century Japanese poetry preface, and that was the whole point.

Megan Rothwell

Japanese Eras

1 April 2019, and the Board Held Up

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.

Megan Rothwell

Japanese Eras

Choosing Two Kanji for the Next Thirty Years

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.

Megan Rothwell