Hasd to start Accord LX 1990

[solanog]

From one day to the other my engine became hard to start. Once it starts it works fine or at least it has been no noticeable drop in performance.
It's hard to start any time of the day, warm or cold engine, except when it has been just turned off. Injectors were recently cleaned, spark plug cables are about 10 months old, air and fuel filter were changed this year as spark plugs. Don't know what it could be. I was going to change plugs, don't know if this will help.