66 years old now in 2024 - what year born?

Today, 11 December 2024 if a person is 66 years old now, what year was he born? See below:

If 66 years old, year of birth is:
1957 or 1958*

*It depends on whether he was born before or after 1 January 1958.

If now 66 years and his year of birth 1957 if he was born after 11 December 1957 until 31 december 1957 inclusively, and his year of birth is 1958 if he was born from 1 January 1958 to 11 December 1958.

Other examples:

If now 10 years, year of birth 2013 or 2014
If now 13 years, year of birth 2010 or 2011
If now 28 years, year of birth 1995 or 1996
If now 88 years, year of birth 1935 or 1936

HTML code:

BB code: