It takes about 4 start cycles to start the engine in the morning. After that it will start right away. Outside air temp is 50 degrees F. Any ideas?

Check your glow plugs. The link below has a number of diesel engine troubleshooting tips:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-8.html#post1415281