You are 121 years old if you were born on December 15, 1902.
You are 121 years 4 months, 1 week, and 4 days old or 1456 months old or 6,332 weeks old or 44,328 days old or 1,063,872 hours old or 63,832,320 minutes old or 3,829,939,200 seconds old You were born on a Monday.