You are 84 years old if you were born on December 31, 1939.
You are 84 years 3 months, 2 weeks, and 5 days old or 1012 months old or 4,398 weeks old or 30,791 days old or 738,984 hours old or 44,339,040 minutes old or 2,660,342,400 seconds old You were born on a Sunday.