You are 42 years old if you were born on December 13, 1981.
You are 42 years 4 months, 1 week, and 6 days old or 508 months old or 2,210 weeks old or 15,475 days old or 371,400 hours old or 22,284,000 minutes old or 1,337,040,000 seconds old You were born on a Sunday.