You are 81 years old if you were born on December 21, 1942.
You are 81 years 3 months, 1 week, and 1 day old or 975 months old or 4,240 weeks old or 29,684 days old or 712,416 hours old or 42,744,960 minutes old or 2,564,697,600 seconds old You were born on a Monday.