You are 45 years old if you were born on December 1, 1978.
You are 45 years 4 months, 2 weeks, and 3 days old or 544 months old or 2,367 weeks old or 16,575 days old or 397,800 hours old or 23,868,000 minutes old or 1,432,080,000 seconds old You were born on a Friday.