119 years old now in 2023 - what year born?

Today, 23 September 2023 if a person is 119 years old now, what year was he born? See below:

If 119 years old, year of birth is:
1903 or 1904*

*It depends on whether he was born before or after 1 January 1904.

If now 119 years and his year of birth 1903 if he was born after 23 September 1903 until 31 december 1903 inclusively, and his year of birth is 1904 if he was born from 1 January 1904 to 23 September 1904.

Other examples:

If now 9 years, year of birth 2013 or 2014
If now 13 years, year of birth 2009 or 2010
If now 28 years, year of birth 1994 or 1995
If now 44 years, year of birth 1978 or 1979

HTML code:

BB code: