148 years old now in 2026 - what year born?

Today, 28 October 2026 if a person is 148 years old now, what year was he born? See below:

If 148 years old, year of birth is:
1877 or 1878*

*It depends on whether he was born before or after 1 January 1878.

If now 148 years and his year of birth 1877 if he was born after 28 October 1877 until 31 december 1877 inclusively, and his year of birth is 1878 if he was born from 1 January 1878 to 28 October 1878.

Other examples:

If now 9 years, year of birth 2016 or 2017
If now 16 years, year of birth 2009 or 2010
If now 23 years, year of birth 2002 or 2003
If now 98 years, year of birth 1927 or 1928

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