You are 123 years old if you were born on December 18, 1900.
You are 123 years 4 months and 6 days old or 1480 months old or 6,436 weeks old or 45,053 days old or 1,081,272 hours old or 64,876,320 minutes old or 3,892,579,200 seconds old You were born on a Tuesday.