You are 43 years old if you were born on December 21, 1980.
You are 43 years 3 months, 4 weeks, and 2 days old or 520 months old or 2,260 weeks old or 15,826 days old or 379,824 hours old or 22,789,440 minutes old or 1,367,366,400 seconds old You were born on a Sunday.