You are 40 years old if you were born on March 8, 1984.
You are 40 years 1 month, 1 week, and 1 day old or 481 months old or 2,092 weeks old or 14,649 days old or 351,576 hours old or 21,094,560 minutes old or 1,265,673,600 seconds old You were born on a Thursday.