You are 45 years old if you were born on December 17, 1978.
You are 45 years 4 months, 1 week, and 2 days old or 544 months old or 2,366 weeks old or 16,567 days old or 397,608 hours old or 23,856,480 minutes old or 1,431,388,800 seconds old You were born on a Sunday.