82 years old now in 2024 - what year born?

Today, 12 September 2024 if a person is 82 years old now, what year was he born? See below:

If 82 years old, year of birth is:
1941 or 1942*

*It depends on whether he was born before or after 1 January 1942.

If now 82 years and his year of birth 1941 if he was born after 12 September 1941 until 31 december 1941 inclusively, and his year of birth is 1942 if he was born from 1 January 1942 to 12 September 1942.

Other examples:

If now 11 years, year of birth 2012 or 2013
If now 16 years, year of birth 2007 or 2008
If now 19 years, year of birth 2004 or 2005
If now 97 years, year of birth 1926 or 1927

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