You are 20 years old if you were born on December 1, 2003.
You are 20 years 3 months, 3 weeks, and 6 days old or 243 months old or 1,060 weeks old or 7,423 days old or 178,152 hours old or 10,689,120 minutes old or 641,347,200 seconds old You were born on a Monday.