40 years old now in 2023 - what year born?


Today, 31 January 2023 if a person is 40 years old now, what year was he born? See below:


If 40 years old, year of birth is:
1982 or 1983*
*It depends on whether he was born before or after 1 January 1983.


If now 40 years and his year of birth 1982 if he was born after 31 January 1982 until 31 december 1982 inclusively, and his year of birth is 1983 if he was born from 1 January 1983 to 31 January 1983.


Other examples:

If now 10 years, year of birth 2012 or 2013
If now 13 years, year of birth 2009 or 2010
If now 23 years, year of birth 1999 or 2000
If now 76 years, year of birth 1946 or 1947

HTML code:
BB code:

More: