30 years old now in 2021 - what year born?


Today, 3 August 2021 if a person is 30 years old now, what year was he born? See below:


If 30 years old, year of birth is:
1990 or 1991*
*It depends on whether he was born before or after 1 January 1991.


If now 30 years and his year of birth 1990 if he was born after 3 August 1990 until 31 december 1990 inclusively, and his year of birth is 1991 if he was born from 1 January 1991 to 3 August 1991.


Other examples:

If now 12 years, year of birth 2008 or 2009
If now 16 years, year of birth 2004 or 2005
If now 20 years, year of birth 2000 or 2001
If now 65 years, year of birth 1955 or 1956

HTML code:
BB code:

More: