You are 39 years old if you were born on January 31, 1985.
You are 39 years 2 months, 3 weeks, and 3 days old or 471 months old or 2,046 weeks old or 14,328 days old or 343,872 hours old or 20,632,320 minutes old or 1,237,939,200 seconds old You were born on a Thursday.