You are 20 years old if you were born on March 15, 2004.
You are 20 years 1 month, 1 week, and 2 days old or 241 months old or 1,049 weeks old or 7,345 days old or 176,280 hours old or 10,576,800 minutes old or 634,608,000 seconds old You were born on a Monday.