You are 84 years old if you were born on December 30, 1939.
You are 84 years 3 months, 3 weeks, and 6 days old or 1012 months old or 4,399 weeks old or 30,799 days old or 739,176 hours old or 44,350,560 minutes old or 2,661,033,600 seconds old You were born on a Saturday.