You are 21 years old if you were born on September 16, 2002.
You are 21 years 7 months, 1 week, and 2 days old or 259 months old or 1,127 weeks old or 7,892 days old or 189,408 hours old or 11,364,480 minutes old or 681,868,800 seconds old You were born on a Monday.