You are 45 years old if you were born on December 3, 1978.
You are 45 years 3 months, 3 weeks, and 4 days old or 543 months old or 2,364 weeks old or 16,552 days old or 397,248 hours old or 23,834,880 minutes old or 1,430,092,800 seconds old You were born on a Sunday.