You are 24 years old if you were born on December 28, 1999.
You are 24 years 3 months, 3 weeks, and 1 day old or 292 months old or 1,268 weeks old or 8,879 days old or 213,096 hours old or 12,785,760 minutes old or 767,145,600 seconds old You were born on a Tuesday.