Japanese era date昭和30年12月4日 (日)
Shōwa 30 . 12 . 4 (Sun)Gregorian date: Sunday, December 4th 1955
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TodayShort form: S30.12.4
Zodiac year: Year of the Wood Sheep · 乙未 (kinoto-hitsuji)
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.