Day of Year / Day of Week / Eto

Notices

• Days after Oct. 15th, 1582 refer to Gregorian Calendar and days before that refer to Julian Calendar.
• Year before 1 A.D. is the year 0.
• There might be some discrepancies in numberring Era names.
• This program just converts era names in yearly basis. If you need daily basis conversion, please use Japanese Calendar Database.
• Related Contents
  • Glossary (60 Kanshi)
• We might modify this program without notice (ver.1.0).