114 years old now in 2025 - what year born?

Today, 24 April 2025 if a person is 114 years old now, what year was he born? See below:

If 114 years old, year of birth is:
1910 or 1911*

*It depends on whether he was born before or after 1 January 1911.

If now 114 years and his year of birth 1910 if he was born after 24 April 1910 until 31 december 1910 inclusively, and his year of birth is 1911 if he was born from 1 January 1911 to 24 April 1911.

Other examples:

If now 6 years, year of birth 2018 or 2019
If now 16 years, year of birth 2008 or 2009
If now 30 years, year of birth 1994 or 1995
If now 98 years, year of birth 1926 or 1927

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