92 years old now in 2024 - what year born?

Today, 15 October 2024 if a person is 92 years old now, what year was he born? See below:

If 92 years old, year of birth is:
1931 or 1932*

*It depends on whether he was born before or after 1 January 1932.

If now 92 years and his year of birth 1931 if he was born after 15 October 1931 until 31 december 1931 inclusively, and his year of birth is 1932 if he was born from 1 January 1932 to 15 October 1932.

Other examples:

If now 6 years, year of birth 2017 or 2018
If now 16 years, year of birth 2007 or 2008
If now 19 years, year of birth 2004 or 2005
If now 82 years, year of birth 1941 or 1942

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