You are 104 years old if you were born on December 15, 1919.
You are 104 years 4 months, 1 week, and 3 days old or 1252 months old or 5,445 weeks old or 38,118 days old or 914,832 hours old or 54,889,920 minutes old or 3,293,395,200 seconds old You were born on a Monday.