150 years old now in 2022 - what year born?

Today, 5 December 2022 if a person is 150 years old now, what year was he born? See below:

If 150 years old, year of birth is:
1871 or 1872*

*It depends on whether he was born before or after 1 January 1872.

If now 150 years and his year of birth 1871 if he was born after 5 December 1871 until 31 december 1871 inclusively, and his year of birth is 1872 if he was born from 1 January 1872 to 5 December 1872.

Other examples:

If now 8 years, year of birth 2013 or 2014
If now 12 years, year of birth 2009 or 2010
If now 19 years, year of birth 2002 or 2003
If now 54 years, year of birth 1967 or 1968

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