3 times in last 6 weeks or so, my son's 95 Honda Civic EX would crank but wouldn't start in the morning. It just happened again yesterday, so he borrowed my wife's car so he could go to work. Any experience with this scenario? What are the most likely causes of this type of symptom?

Run through the test, in Sections A and B, below:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-46563.html