You are 40 years old if you were born on April 12, 1983.
You are 40 years 11 months, 2 weeks, and 3 days old or 491 months old or 2,137 weeks old or 14,962 days old or 359,088 hours old or 21,545,280 minutes old or 1,292,716,800 seconds old You were born on a Tuesday.