You are 123 years old if you were born on December 15, 1900.
You are 123 years 3 months, 1 week, and 6 days old or 1479 months old or 6,432 weeks old or 45,029 days old or 1,080,696 hours old or 64,841,760 minutes old or 3,890,505,600 seconds old You were born on a Saturday.