121 years old now in 2021 - what year born?


Today, 16 September 2021 if a person is 121 years old now, what year was he born? See below:


If 121 years old, year of birth is:
1899 or 1900*
*It depends on whether he was born before or after 1 January 1900.


If now 121 years and his year of birth 1899 if he was born after 16 September 1899 until 31 december 1899 inclusively, and his year of birth is 1900 if he was born from 1 January 1900 to 16 September 1900.


Other examples:

If now 7 years, year of birth 2013 or 2014
If now 16 years, year of birth 2004 or 2005
If now 27 years, year of birth 1993 or 1994
If now 65 years, year of birth 1955 or 1956

HTML code:
BB code:

More: