You are 72 years old if you were born on December 31, 1951.
You are 72 years 2 months, 4 weeks, and 1 day old or 867 months old or 3,769 weeks old or 26,387 days old or 633,288 hours old or 37,997,280 minutes old or 2,279,836,800 seconds old You were born on a Monday.