You are 45 years old if you were born on January 4, 1979.
You are 45 years 3 months, 3 weeks, and 1 day old or 543 months old or 2,364 weeks old or 16,549 days old or 397,176 hours old or 23,830,560 minutes old or 1,429,833,600 seconds old You were born on a Thursday.