You are 24 years old if you were born on May 9, 1999.
You are 24 years 11 months, 1 week, and 3 days old or 299 months old or 1,301 weeks old or 9,112 days old or 218,688 hours old or 13,121,280 minutes old or 787,276,800 seconds old You were born on a Sunday.