You are 25 years old if you were born on January 7, 1999.
You are 25 years 3 months, 1 week, and 4 days old or 303 months old or 1,319 weeks old or 9,233 days old or 221,592 hours old or 13,295,520 minutes old or 797,731,200 seconds old You were born on a Thursday.