You are 104 years old if you were born on December 20, 1919.
You are 104 years 3 months, 1 week, and 1 day old or 1251 months old or 5,440 weeks old or 38,085 days old or 914,040 hours old or 54,842,400 minutes old or 3,290,544,000 seconds old You were born on a Saturday.