58 years old now in 2026 - what year born?

Today, 28 October 2026 if a person is 58 years old now, what year was he born? See below:

If 58 years old, year of birth is:
1967 or 1968*

*It depends on whether he was born before or after 1 January 1968.

If now 58 years and his year of birth 1967 if he was born after 28 October 1967 until 31 december 1967 inclusively, and his year of birth is 1968 if he was born from 1 January 1968 to 28 October 1968.

Other examples:

If now 9 years, year of birth 2016 or 2017
If now 13 years, year of birth 2012 or 2013
If now 26 years, year of birth 1999 or 2000
If now 38 years, year of birth 1987 or 1988

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