You are 42 years old if you were born on August 21, 1981.
You are 42 years 7 months, 1 week, and 1 day old or 511 months old or 2,223 weeks old or 15,561 days old or 373,464 hours old or 22,407,840 minutes old or 1,344,470,400 seconds old You were born on a Friday.