You are 43 years old if you were born on December 9, 1980.
You are 43 years 4 months, 2 weeks, and 2 days old or 520 months old or 2,263 weeks old or 15,843 days old or 380,232 hours old or 22,813,920 minutes old or 1,368,835,200 seconds old You were born on a Tuesday.