12 years old now in 2021 - what year born?


Today, 22 September 2021 if a person is 12 years old now, what year was he born? See below:


If 12 years old, year of birth is:
2008 or 2009*
*It depends on whether he was born before or after 1 January 2009.


If now 12 years and his year of birth 2008 if he was born after 22 September 2008 until 31 december 2008 inclusively, and his year of birth is 2009 if he was born from 1 January 2009 to 22 September 2009.


Other examples:

If now 11 years, year of birth 2009 or 2010
If now 13 years, year of birth 2007 or 2008
If now 28 years, year of birth 1992 or 1993
If now 66 years, year of birth 1954 or 1955

HTML code:
BB code:

More: