You are 104 years old if you were born on December 13, 1919.
You are 104 years 4 months, 1 week, and 6 days old or 1252 months old or 5,445 weeks old or 38,121 days old or 914,904 hours old or 54,894,240 minutes old or 3,293,654,400 seconds old You were born on a Saturday.