Hi,
It seems there is no such customized time windows. But you can contact Microsoft Customer Support and Services to raise a ticket to see if they could provide some advanced setting guidance or workarounds.
You may find phone number for your region accordingly from the link below:
Global Customer Service phone numbers
https://support.microsoft.com/en-us/help/4051701/global-customer-service-phone-numbers
Thanks,
Eleven
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