150 years old now in 2023 - what year born?

Today, 22 March 2023 if a person is 150 years old now, what year was he born? See below:

If 150 years old, year of birth is:
1872 or 1873*

*It depends on whether he was born before or after 1 January 1873.

If now 150 years and his year of birth 1872 if he was born after 22 March 1872 until 31 december 1872 inclusively, and his year of birth is 1873 if he was born from 1 January 1873 to 22 March 1873.

Other examples:

If now 11 years, year of birth 2011 or 2012
If now 14 years, year of birth 2008 or 2009
If now 25 years, year of birth 1997 or 1998
If now 41 years, year of birth 1981 or 1982

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