You are 45 years old if you were born on January 9, 1979.
You are 45 years 3 months, 2 weeks, and 1 day old or 543 months old or 2,363 weeks old or 16,542 days old or 397,008 hours old or 23,820,480 minutes old or 1,429,228,800 seconds old You were born on a Tuesday.