You are 40 years old if you were born on April 21, 1983.
You are 40 years 11 months, 4 weeks, and 2 days old or 492 months old or 2,139 weeks old or 14,975 days old or 359,400 hours old or 21,564,000 minutes old or 1,293,840,000 seconds old You were born on a Thursday.