140 years old now in 2026 - what year born?

Today, 28 October 2026 if a person is 140 years old now, what year was he born? See below:

If 140 years old, year of birth is:
1885 or 1886*

*It depends on whether he was born before or after 1 January 1886.

If now 140 years and his year of birth 1885 if he was born after 28 October 1885 until 31 december 1885 inclusively, and his year of birth is 1886 if he was born from 1 January 1886 to 28 October 1886.

Other examples:

If now 10 years, year of birth 2015 or 2016
If now 13 years, year of birth 2012 or 2013
If now 22 years, year of birth 2003 or 2004
If now 97 years, year of birth 1928 or 1929

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