You are 24 years old if you were born on December 7, 1999.
You are 24 years 4 months, 1 week, and 5 days old or 292 months old or 1,271 weeks old or 8,900 days old or 213,600 hours old or 12,816,000 minutes old or 768,960,000 seconds old You were born on a Tuesday.