You are 33 years old if you were born on December 20, 1990.
You are 33 years 3 months, 1 week, and 1 day old or 399 months old or 1,736 weeks old or 12,152 days old or 291,648 hours old or 17,498,880 minutes old or 1,049,932,800 seconds old You were born on a Thursday.