You are 104 years old if you were born on December 31, 1919.
You are 104 years 3 months, 2 weeks, and 5 days old or 1252 months old or 5,442 weeks old or 38,096 days old or 914,304 hours old or 54,858,240 minutes old or 3,291,494,400 seconds old You were born on a Wednesday.