122 years old now in 2025 - what year born?

Today, 18 January 2025 if a person is 122 years old now, what year was he born? See below:

If 122 years old, year of birth is:
1902 or 1903*

*It depends on whether he was born before or after 1 January 1903.

If now 122 years and his year of birth 1902 if he was born after 18 January 1902 until 31 december 1902 inclusively, and his year of birth is 1903 if he was born from 1 January 1903 to 18 January 1903.

Other examples:

If now 11 years, year of birth 2013 or 2014
If now 17 years, year of birth 2007 or 2008
If now 28 years, year of birth 1996 or 1997
If now 91 years, year of birth 1933 or 1934

HTML code:

BB code: