You are 40 years old if you were born on January 13, 1984.
You are 40 years 3 months, 1 week, and 5 days old or 483 months old or 2,101 weeks old or 14,713 days old or 353,112 hours old or 21,186,720 minutes old or 1,271,203,200 seconds old You were born on a Friday.