You are 20 years old if you were born on January 4, 2004.
You are 20 years 3 months, 2 weeks, and 6 days old or 243 months old or 1,059 weeks old or 7,416 days old or 177,984 hours old or 10,679,040 minutes old or 640,742,400 seconds old You were born on a Sunday.