You are 21 years old if you were born on September 2, 2002.
You are 21 years 7 months, 3 weeks, and 1 day old or 259 months old or 1,129 weeks old or 7,905 days old or 189,720 hours old or 11,383,200 minutes old or 682,992,000 seconds old You were born on a Monday.