You are 57 years old if you were born on December 9, 1966.
You are 57 years 3 months, 2 weeks, and 5 days old or 687 months old or 2,989 weeks old or 20,929 days old or 502,296 hours old or 30,137,760 minutes old or 1,808,265,600 seconds old You were born on a Friday.