You are 40 years old if you were born on July 31, 1983.
You are 40 years 8 months, 3 weeks, and 5 days old or 489 months old or 2,125 weeks old or 14,880 days old or 357,120 hours old or 21,427,200 minutes old or 1,285,632,000 seconds old You were born on a Sunday.