You are 84 years old if you were born on September 4, 1939.
You are 84 years 7 months, 2 weeks, and 6 days old or 1015 months old or 4,416 weeks old or 30,914 days old or 741,936 hours old or 44,516,160 minutes old or 2,670,969,600 seconds old You were born on a Monday.