You are 83 years old if you were born on October 20, 1940.
You are 83 years 5 months, 1 week, and 1 day old or 1001 months old or 4,353 weeks old or 30,475 days old or 731,400 hours old or 43,884,000 minutes old or 2,633,040,000 seconds old You were born on a Sunday.