You are 40 years old if you were born on October 1, 1983.
You are 40 years 6 months, 3 weeks, and 1 day old or 486 months old or 2,116 weeks old or 14,815 days old or 355,560 hours old or 21,333,600 minutes old or 1,280,016,000 seconds old You were born on a Saturday.