Japanese era date昭和55年12月4日 (木)
Shōwa 55 . 12 . 4 (Thu)Gregorian date: Thursday, December 4th 1980
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TodayShort form: S55.12.4
Zodiac year: Year of the Metal Monkey · 庚申 (kanoe-saru)
Traditional month name: 師走 (shiwasu)
The Shōwa era started on December 25th 1926 and ended on January 7th 1989.
The emperor during this era was Emperor Hirohito.