111 years old now in 2025 - what year born?

Today, 19 March 2025 if a person is 111 years old now, what year was he born? See below:

If 111 years old, year of birth is:
1913 or 1914*

*It depends on whether he was born before or after 1 January 1914.

If now 111 years and his year of birth 1913 if he was born after 19 March 1913 until 31 december 1913 inclusively, and his year of birth is 1914 if he was born from 1 January 1914 to 19 March 1914.

Other examples:

If now 3 years, year of birth 2021 or 2022
If now 13 years, year of birth 2011 or 2012
If now 28 years, year of birth 1996 or 1997
If now 32 years, year of birth 1992 or 1993

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