134 years old now in 2023 - what year born?

Today, 22 March 2023 if a person is 134 years old now, what year was he born? See below:

If 134 years old, year of birth is:
1888 or 1889*

*It depends on whether he was born before or after 1 January 1889.

If now 134 years and his year of birth 1888 if he was born after 22 March 1888 until 31 december 1888 inclusively, and his year of birth is 1889 if he was born from 1 January 1889 to 22 March 1889.

Other examples:

If now 9 years, year of birth 2013 or 2014
If now 14 years, year of birth 2008 or 2009
If now 24 years, year of birth 1998 or 1999
If now 83 years, year of birth 1939 or 1940

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