You are 45 years old if you were born on May 12, 1978.
You are 45 years 11 months, 1 week, and 5 days old or 551 months old or 2,397 weeks old or 16,784 days old or 402,816 hours old or 24,168,960 minutes old or 1,450,137,600 seconds old You were born on a Friday.