You are 121 years old if you were born on December 13, 1902.
You are 121 years 4 months and 6 days old or 1456 months old or 6,331 weeks old or 44,323 days old or 1,063,752 hours old or 63,825,120 minutes old or 3,829,507,200 seconds old You were born on a Saturday.