You are 21 years old if you were born on December 16, 2002.
You are 21 years 4 months, 1 week, and 2 days old or 256 months old or 1,114 weeks old or 7,801 days old or 187,224 hours old or 11,233,440 minutes old or 674,006,400 seconds old You were born on a Monday.