You are 25 years old if you were born on September 21, 1998.
You are 25 years 6 months, 4 weeks, and 1 day old or 307 months old or 1,334 weeks old or 9,342 days old or 224,208 hours old or 13,452,480 minutes old or 807,148,800 seconds old You were born on a Monday.