You are 38 years old if you were born on December 31, 1985.
You are 38 years 3 months, 2 weeks, and 5 days old or 460 months old or 1,998 weeks old or 13,989 days old or 335,736 hours old or 20,144,160 minutes old or 1,208,649,600 seconds old You were born on a Tuesday.