You are 123 years old if you were born on December 25, 1900.
You are 123 years 4 months and 1 day old or 1480 months old or 6,435 weeks old or 45,048 days old or 1,081,152 hours old or 64,869,120 minutes old or 3,892,147,200 seconds old You were born on a Tuesday.