You are 33 years old if you were born on December 21, 1990.
You are 33 years 3 months, 4 weeks, and 1 day old or 400 months old or 1,739 weeks old or 12,173 days old or 292,152 hours old or 17,529,120 minutes old or 1,051,747,200 seconds old You were born on a Friday.