You are 120 years old if you were born on December 13, 1903.
You are 120 years 4 months, 1 week, and 3 days old or 1444 months old or 6,280 weeks old or 43,962 days old or 1,055,088 hours old or 63,305,280 minutes old or 3,798,316,800 seconds old You were born on a Sunday.