You are 72 years old if you were born on June 21, 1951.
You are 72 years 9 months, 4 weeks, and 1 day old or 874 months old or 3,800 weeks old or 26,601 days old or 638,424 hours old or 38,305,440 minutes old or 2,298,326,400 seconds old You were born on a Thursday.