You are 20 years old if you were born on September 7, 2003.
You are 20 years 7 months, 1 week, and 5 days old or 247 months old or 1,075 weeks old or 7,530 days old or 180,720 hours old or 10,843,200 minutes old or 650,592,000 seconds old You were born on a Sunday.