You are 103 years old if you were born on December 21, 1920.
You are 103 years 3 months, 4 weeks, and 1 day old or 1240 months old or 5,391 weeks old or 37,740 days old or 905,760 hours old or 54,345,600 minutes old or 3,260,736,000 seconds old You were born on a Tuesday.