You are 38 years old if you were born on December 9, 1985.
You are 38 years 3 months, 2 weeks, and 6 days old or 459 months old or 1,998 weeks old or 13,990 days old or 335,760 hours old or 20,145,600 minutes old or 1,208,736,000 seconds old You were born on a Monday.