Quote:
Originally Posted by Yolina
Well you definitely have a bug with your quiet hours being on by default  but I'm not so sure MS meant to have settings for it - probably thought people can just enable/disable it as and when needed via the toggle, which does make sense for things like meetings. |
The hours are editable for Windows Phone, though, and the screenshots contained in the link I posted earlier demonstrate that editing the hours has certainly been available in some earlier builds of desktop Windows 10.