You are 100 years old if you were born on December 31, 1923.
You are 100 years 3 months, 2 weeks, and 5 days old or 1204 months old or 5,233 weeks old or 36,635 days old or 879,240 hours old or 52,754,400 minutes old or 3,165,264,000 seconds old You were born on a Monday.