79 years old now in 2025 - what year born?

Today, 24 April 2025 if a person is 79 years old now, what year was he born? See below:

If 79 years old, year of birth is:
1945 or 1946*

*It depends on whether he was born before or after 1 January 1946.

If now 79 years and his year of birth 1945 if he was born after 24 April 1945 until 31 december 1945 inclusively, and his year of birth is 1946 if he was born from 1 January 1946 to 24 April 1946.

Other examples:

If now 9 years, year of birth 2015 or 2016
If now 18 years, year of birth 2006 or 2007
If now 29 years, year of birth 1995 or 1996
If now 88 years, year of birth 1936 or 1937

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