53 years old now in 2024 - what year born?

Today, 15 October 2024 if a person is 53 years old now, what year was he born? See below:

If 53 years old, year of birth is:
1970 or 1971*

*It depends on whether he was born before or after 1 January 1971.

If now 53 years and his year of birth 1970 if he was born after 15 October 1970 until 31 december 1970 inclusively, and his year of birth is 1971 if he was born from 1 January 1971 to 15 October 1971.

Other examples:

If now 11 years, year of birth 2012 or 2013
If now 18 years, year of birth 2005 or 2006
If now 22 years, year of birth 2001 or 2002
If now 56 years, year of birth 1967 or 1968

HTML code:

BB code: