82 years old now in 2025 - what year born?

Today, 16 January 2025 if a person is 82 years old now, what year was he born? See below:

If 82 years old, year of birth is:
1942 or 1943*

*It depends on whether he was born before or after 1 January 1943.

If now 82 years and his year of birth 1942 if he was born after 16 January 1942 until 31 december 1942 inclusively, and his year of birth is 1943 if he was born from 1 January 1943 to 16 January 1943.

Other examples:

If now 4 years, year of birth 2020 or 2021
If now 14 years, year of birth 2010 or 2011
If now 28 years, year of birth 1996 or 1997
If now 84 years, year of birth 1940 or 1941

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