You are 21 years old if you were born on August 31, 2002.
You are 21 years 7 months, 2 weeks, and 5 days old or 260 months old or 1,128 weeks old or 7,902 days old or 189,648 hours old or 11,378,880 minutes old or 682,732,800 seconds old You were born on a Saturday.