32 years old now in 2023 - what year born?

Today, 7 December 2023 if a person is 32 years old now, what year was he born? See below:

If 32 years old, year of birth is:
1990 or 1991*

*It depends on whether he was born before or after 1 January 1991.

If now 32 years and his year of birth 1990 if he was born after 7 December 1990 until 31 december 1990 inclusively, and his year of birth is 1991 if he was born from 1 January 1991 to 7 December 1991.

Other examples:

If now 3 years, year of birth 2019 or 2020
If now 12 years, year of birth 2010 or 2011
If now 28 years, year of birth 1994 or 1995
If now 61 years, year of birth 1961 or 1962

HTML code:

BB code: