You are 19 years old if you were born on April 21, 2004.
You are 19 years 11 months, 4 weeks, and 1 day old or 240 months old or 1,043 weeks old or 7,303 days old or 175,272 hours old or 10,516,320 minutes old or 630,979,200 seconds old You were born on a Wednesday.