You are 103 years old if you were born on December 31, 1920.
You are 103 years 3 months, 3 weeks, and 2 days old or 1240 months old or 5,390 weeks old or 37,734 days old or 905,616 hours old or 54,336,960 minutes old or 3,260,217,600 seconds old You were born on a Friday.