How old am I if I was born on December 31, 1978? - If you were born on December 31, 1978, you are 46 years old.
You are 46 years 5 months, 1 week, and 3 days old or 558 months old or 2,423 weeks old or 16,963 days old or 407,112 hours old or 24,426,720 minutes old or 1,465,603,200 seconds old You were born on a Sunday.
31 December 1978 age is used to find out how old someone is if he was born on December 31, 1978 in years, months, weeks, days, hours, minutes and seconds.