37 years old now in 2026 - what year born?

Today, 28 October 2026 if a person is 37 years old now, what year was he born? See below:

If 37 years old, year of birth is:
1988 or 1989*

*It depends on whether he was born before or after 1 January 1989.

If now 37 years and his year of birth 1988 if he was born after 28 October 1988 until 31 december 1988 inclusively, and his year of birth is 1989 if he was born from 1 January 1989 to 28 October 1989.

Other examples:

If now 3 years, year of birth 2022 or 2023
If now 15 years, year of birth 2010 or 2011
If now 28 years, year of birth 1997 or 1998
If now 83 years, year of birth 1942 or 1943

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