You are 20 years old if you were born on February 9, 2004.
You are 20 years 2 months, 2 weeks, and 3 days old or 242 months old or 1,054 weeks old or 7,382 days old or 177,168 hours old or 10,630,080 minutes old or 637,804,800 seconds old You were born on a Monday.