64 years old now in 2024 - what year born?

Today, 14 October 2024 if a person is 64 years old now, what year was he born? See below:

If 64 years old, year of birth is:
1959 or 1960*

*It depends on whether he was born before or after 1 January 1960.

If now 64 years and his year of birth 1959 if he was born after 14 October 1959 until 31 december 1959 inclusively, and his year of birth is 1960 if he was born from 1 January 1960 to 14 October 1960.

Other examples:

If now 11 years, year of birth 2012 or 2013
If now 15 years, year of birth 2008 or 2009
If now 28 years, year of birth 1995 or 1996
If now 38 years, year of birth 1985 or 1986

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