You are 21 years old if you were born on September 9, 2002.
You are 21 years 7 months, 2 weeks, and 2 days old or 259 months old or 1,128 weeks old or 7,899 days old or 189,576 hours old or 11,374,560 minutes old or 682,473,600 seconds old You were born on a Monday.