These docs are for an old release.
Info on upgrading to v5
maxTime
Determines the last time slot that will be displayed for each day. In line with the discussion about the Event object, it is important to stress that this should be specified as an exclusive end time.
Duration, default: "24:00:00"
The default "24:00:00" means the end time will be at the very end of the day (midnight).
Determines the last slot, even when the scrollbars have been scrolled all the way back.