Japanese era date昭和17年5月4日 (月)
Shōwa 17 . 5 . 4 (Mon)Gregorian date: Monday, May 4th 1942
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TodayShort form: S17.5.4
Zodiac year: Year of the Water Horse · 壬午 (mizunoe-uma)
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.