I know the solution and I agree, it does the job. But I don't feel comfortable with the kind of permission needed by Cronofy. Once connected it will have full access to the contentes of all my notes. I'm not accusing anyone or anything like that, but because of all the personal information I have stored I don't feel comfortable.
Also, iCalendar feeds are becoming quite popular among productivity Apps. Todoist, Trello and several others have this feature.