You are 45 years old if you were born on May 9, 1978.
You are 45 years 11 months, 2 weeks, and 3 days old or 551 months old or 2,398 weeks old or 16,789 days old or 402,936 hours old or 24,176,160 minutes old or 1,450,569,600 seconds old You were born on a Tuesday.