141 years old now in 2023 - what year born?

Today, 7 December 2023 if a person is 141 years old now, what year was he born? See below:

If 141 years old, year of birth is:
1881 or 1882*

*It depends on whether he was born before or after 1 January 1882.

If now 141 years and his year of birth 1881 if he was born after 7 December 1881 until 31 december 1881 inclusively, and his year of birth is 1882 if he was born from 1 January 1882 to 7 December 1882.

Other examples:

If now 5 years, year of birth 2017 or 2018
If now 14 years, year of birth 2008 or 2009
If now 26 years, year of birth 1996 or 1997
If now 69 years, year of birth 1953 or 1954

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