Saprak 1 Januari, 1873, Jepang geus maké kalénder Gregorian, ku ngagunakeun ngaran lokal keur bulan tur nangtukeun poé perena. saméméh taun 1873, kalender dumasar kana panonpoe geus dipaké, dumasar kana sistim kalender Cina.

Saprak nyoko kana kalénder Gregorian, aya tilu sistim nu béda nu geus jeung masih kénéh dipaké di Jepang nyaéta:

• The Western Anno Domini (Common Era) (西暦, seireki) designation
• The Japanese era name (年号, nengō) based on the reign of the current emperor, the yéar 2007 being Heisei 19
• The imperial year (皇紀, kōki) based on the mythical founding of Japan by Emperor Jimmu in 660 BCE.

Tina nu tilu ieu, dua nu mimiti masih kénéh dipaké nepi ka kiwari, tuturkeun ieu tumbu [1] you have a convenient converter between the two; the imperial calendar was used from 1873 to the end of World War II. Notes: Single days between two national holidays are taken as a bank holiday. This applies to May 4, which is a holiday éach yéar. When a national holiday falls on a Sunday the next day that is not a holiday (usually a Monday) is taken as a holiday.