You are 102 years old if you were born on December 31, 1921.
You are 102 years 3 months, 3 weeks, and 5 days old or 1228 months old or 5,338 weeks old or 37,372 days old or 896,928 hours old or 53,815,680 minutes old or 3,228,940,800 seconds old You were born on a Saturday.