Japanese era date昭和30年5月21日 (土)
Shōwa 30 . 5 . 21 (Sat)Gregorian date: Saturday, May 21st 1955
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TodayShort form: S30.5.21
Zodiac year: Year of the Wood Sheep · 乙未 (kinoto-hitsuji)
Traditional month name: 皐月 (satsuki)
The Shōwa era started on December 25th 1926 and ended on January 7th 1989.
The emperor during this era was Emperor Hirohito.