You are 36 years old if you were born on September 12, 1987.
You are 36 years 7 months, 1 week, and 6 days old or 439 months old or 1,910 weeks old or 13,375 days old or 321,000 hours old or 19,260,000 minutes old or 1,155,600,000 seconds old You were born on a Saturday.