Japanese era date慶応3年9月4日 (水)
Keiō 3 . 9 . 4 (Wed)Gregorian date: Wednesday, September 4th 1867
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TodayZodiac year: Year of the Fire Rabbit · 丁卯 (hinoto-u)
Traditional month name: 長月 (nagatsuki)
The Keiō era started on May 1st 1865 and ended on October 22nd 1868.
Note: Japan used a lunisolar calendar until 1872, so month and day differ from historical Japanese records.