You are 44 years old if you were born on December 20, 1979.
You are 44 years 3 months, 4 weeks, and 2 days old or 532 months old or 2,313 weeks old or 16,192 days old or 388,608 hours old or 23,316,480 minutes old or 1,398,988,800 seconds old You were born on a Thursday.