Japanese era date慶応3年12月31日 (火)
Keiō 3 . 12 . 31 (Tue)Gregorian date: Tuesday, December 31st 1867
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TodayZodiac year: Year of the Fire Rabbit · 丁卯 (hinoto-u)
Traditional month name: 師走 (shiwasu)
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.