You are 45 years old if you were born on December 23, 1978.
You are 45 years 3 months, 3 weeks, and 6 days old or 544 months old or 2,364 weeks old or 16,554 days old or 397,296 hours old or 23,837,760 minutes old or 1,430,265,600 seconds old You were born on a Saturday.