You are 120 years old if you were born on September 21, 1903.
You are 120 years 7 months and 3 days old or 1447 months old or 6,292 weeks old or 44,046 days old or 1,057,104 hours old or 63,426,240 minutes old or 3,805,574,400 seconds old You were born on a Monday.