You are 20 years old if you were born on December 30, 2003.
You are 20 years 2 months, 4 weeks, and 1 day old or 243 months old or 1,056 weeks old or 7,395 days old or 177,480 hours old or 10,648,800 minutes old or 638,928,000 seconds old You were born on a Tuesday.