You are 105 years old if you were born on December 31, 1918.
You are 105 years 3 months, 2 weeks, and 5 days old or 1264 months old or 5,494 weeks old or 38,461 days old or 923,064 hours old or 55,383,840 minutes old or 3,323,030,400 seconds old You were born on a Tuesday.