You are 45 years old if you were born on December 7, 1978.
You are 45 years 4 months, 1 week, and 5 days old or 544 months old or 2,367 weeks old or 16,570 days old or 397,680 hours old or 23,860,800 minutes old or 1,431,648,000 seconds old You were born on a Thursday.