Help with using schtasks, defining a specific time

I have successfully created a task, although I am having trouble defining when it should occur e.开发者_如何学JAVAg. using the /MO command.

How is it possible to tell schtasks to execute this on e.g. every 5 days on the 4th hour of that day?

schtasks.exe /Create /SC DAILY /TN "testing123" /TR "C:\Program Files\test\scanner.exe 'C:\'"

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Use:

/SC DAILY /MO 5 /ST 04:00