Japanese era date昭和58年9月12日 (月)
Shōwa 58 . 9 . 12 (Mon)Gregorian date: Monday, September 12th 1983
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TodayShort form: S58.9.12
Zodiac year: Year of the Water Boar · 癸亥 (mizunoto-i)
Traditional month name: 長月 (nagatsuki)
The Shōwa era started on December 25th 1926 and ended on January 7th 1989.
The emperor during this era was Emperor Hirohito.