133 years old now in 2023 - what year born?

Today, 22 March 2023 if a person is 133 years old now, what year was he born? See below:

If 133 years old, year of birth is:
1889 or 1890*

*It depends on whether he was born before or after 1 January 1890.

If now 133 years and his year of birth 1889 if he was born after 22 March 1889 until 31 december 1889 inclusively, and his year of birth is 1890 if he was born from 1 January 1890 to 22 March 1890.

Other examples:

If now 8 years, year of birth 2014 or 2015
If now 17 years, year of birth 2005 or 2006
If now 19 years, year of birth 2003 or 2004
If now 83 years, year of birth 1939 or 1940

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