17 years old now in 2021 - what year born?


Today, 25 September 2021 if a person is 17 years old now, what year was he born? See below:


If 17 years old, year of birth is:
2003 or 2004*
*It depends on whether he was born before or after 1 January 2004.


If now 17 years and his year of birth 2003 if he was born after 25 September 2003 until 31 december 2003 inclusively, and his year of birth is 2004 if he was born from 1 January 2004 to 25 September 2004.


Other examples:

If now 9 years, year of birth 2011 or 2012
If now 14 years, year of birth 2006 or 2007
If now 24 years, year of birth 1996 or 1997
If now 77 years, year of birth 1943 or 1944

HTML code:
BB code:

More: