Basically the Scheduler supports rendering of events that have "FREQ=HOURLY" rule, however as currently the recurrenceEditor doesn't support setting such option I can only suggest to create custom editor template in which to load extended version of the recurrenceEditor that will support that option (custom solution).
Also I would suggest to share your idea at KendoUI UserVoice
to allow other users vote for it. Most voted ideas are included in next KendoUI releases.
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