You are 19 years old if you were born on December 31, 2004.
You are 19 years 3 months, 3 weeks, and 5 days old or 232 months old or 1,008 weeks old or 7,056 days old or 169,344 hours old or 10,160,640 minutes old or 609,638,400 seconds old You were born on a Friday.