Japanese Era (Wareki) Converter
convert_japanese_eraRead-onlyIdempotent
Convert between Western (Gregorian) dates and Japanese era dates (wareki: Meiji, Taisho, Showa, Heisei, Reiwa), using exact era start dates and "gannen" (元年) for year 1. Give either date (YYYY-MM-DD), or wareki such as "令和元年5月1日" / "R1.5.1", or era + year + month + day. Rejects dates that do not exist in that era (e.g. Heisei 31-05-01). Range 1873-01-01 to 2200-12-31.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| day | No | ||
| era | No | 明治/大正/昭和/平成/令和 or Meiji/Taisho/Showa/Heisei/Reiwa (use with year, month, day). | |
| date | No | Date in YYYY-MM-DD (1873-01-01 to 2200-12-31) | |
| year | No | Year in the era (1 or "元" for the first year). | |
| month | No | ||
| wareki | No | Japanese era date to convert to Western, e.g. "令和元年5月1日", "平成31年4月30日", "S64.1.7". |