You are 40 years old if you were born on October 12, 1983.
You are 40 years 5 months, 2 weeks, and 2 days old or 485 months old or 2,111 weeks old or 14,778 days old or 354,672 hours old or 21,280,320 minutes old or 1,276,819,200 seconds old You were born on a Wednesday.