You are 40 years old if you were born on September 28, 1983.
You are 40 years 6 months, 4 weeks, and 1 day old or 487 months old or 2,117 weeks old or 14,821 days old or 355,704 hours old or 21,342,240 minutes old or 1,280,534,400 seconds old You were born on a Wednesday.