Which Gregorian year is 平成元年?

平成元年 is Gregorian year 1989 (1989 + 1 − 1).
Japanese era
平成元年
Gregorian year
1989
Era start
1989-01-08
Era end
2019-04-30
Dual labels from an era change
・昭和64年(1 January 1989〜7 January 1989)
・平成元年(8 January 1989〜31 December 1989)
Facts on this page
・平成元年 is Gregorian year 1989
・Formula: 1989 + 1 − 1 = 1989
・Era start date is 1989-01-08
・Era end date is 2019-04-30
・1989 has more than one era label because of an era change
・Eto is 己巳