You are 40 years old if you were born on October 9, 1983.
You are 40 years 6 months, 2 weeks, and 1 day old or 486 months old or 2,115 weeks old or 14,808 days old or 355,392 hours old or 21,323,520 minutes old or 1,279,411,200 seconds old You were born on a Sunday.