You are 40 years old if you were born on April 15, 1983.
You are 40 years 11 months, 1 week, and 6 days old or 491 months old or 2,136 weeks old or 14,958 days old or 358,992 hours old or 21,539,520 minutes old or 1,292,371,200 seconds old You were born on a Friday.