You are 21 years old if you were born on December 29, 2002.
You are 21 years 3 months, 3 weeks, and 6 days old or 256 months old or 1,112 weeks old or 7,788 days old or 186,912 hours old or 11,214,720 minutes old or 672,883,200 seconds old You were born on a Sunday.