You are 67 years old if you were born on December 31, 1956.
You are 67 years 3 months, 3 weeks, and 4 days old or 808 months old or 3,512 weeks old or 24,587 days old or 590,088 hours old or 35,405,280 minutes old or 2,124,316,800 seconds old You were born on a Monday.