Due to overzealous filtering on Microsoft’s side, some emails to Outlook and Hotmail addresses may not be delivered. If you’re affected, please use a different email address or try again later.
There's a simpler way. Hit F4 to open the command prompt, and type in SetDayTime. I believe it uses military time. So if you want night time, type "SetDayTime 0000" (Without the quotations of course)