You are 44 years old if you were born on December 15, 1979.
You are 44 years 4 months, 1 week, and 1 day old or 532 months old or 2,314 weeks old or 16,201 days old or 388,824 hours old or 23,329,440 minutes old or 1,399,766,400 seconds old You were born on a Saturday.