Create All Day Event. Make sure you set the AllDayEvent property to True. As a workaround you can create a YesNo column to instead the All Day Event filed.
Below is the code modified from a simple online tutorial. Open the event that you want to set to recur. This one is pretty intuitive.
This one is pretty intuitive.
SecondlyIf you need to select the whole day by default just add 86399 seconds to the date of To. This one is pretty intuitive. Youll see all-day events at the top of the page for that day. Assigning a color to your calendar.