You are 80 years old if you were born on May 9, 1943.
You are 80 years 11 months, 1 week, and 2 days old or 971 months old or 4,223 weeks old or 29,565 days old or 709,560 hours old or 42,573,600 minutes old or 2,554,416,000 seconds old You were born on a Sunday.