You are 20 years old if you were born on December 12, 2003.
You are 20 years 4 months, 1 week, and 1 day old or 244 months old or 1,062 weeks old or 7,435 days old or 178,440 hours old or 10,706,400 minutes old or 642,384,000 seconds old You were born on a Friday.