You are 20 years old if you were born on January 7, 2004.
You are 20 years 3 months, 1 week, and 4 days old or 243 months old or 1,058 weeks old or 7,407 days old or 177,768 hours old or 10,666,080 minutes old or 639,964,800 seconds old You were born on a Wednesday.