You are 123 years old if you were born on December 9, 1900.
You are 123 years 4 months, 1 week, and 2 days old or 1480 months old or 6,436 weeks old or 45,056 days old or 1,081,344 hours old or 64,880,640 minutes old or 3,892,838,400 seconds old You were born on a Sunday.