82 years old now in 2025 - what year born?

Today, 22 April 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 22 April 1942 until 31 december 1942 inclusively, and his year of birth is 1943 if he was born from 1 January 1943 to 22 April 1943.

Other examples:

If now 7 years, year of birth 2017 or 2018
If now 13 years, year of birth 2011 or 2012
If now 20 years, year of birth 2004 or 2005
If now 32 years, year of birth 1992 or 1993

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