You are 78 years old if you were born on December 21, 1945.
You are 78 years 4 months, 2 weeks, and 2 days old or 941 months old or 4,089 weeks old or 28,627 days old or 687,048 hours old or 41,222,880 minutes old or 2,473,372,800 seconds old You were born on a Friday.