This from Real Networks today. Makes sense to me - but for some it might be confusing. All I can say is unless you are a night owl or live on the west coast - it won't affect you - the 'outtage' (or sorts) will be from 4am-6am Eastern (1am-3am BB Time).
Live Feeds Access 1am - 3am PT, Wednesday, 7/30
Note: All Big brother 10 Live Feeds subscribers, to access the feeds, on Wednesday morning, 7/30, after 1am PT, please log in using your Superpass account before 1am PT. There will be a scheduled outage between 1am – 3am PT for Superpass Log in. You can access the feeds during this scheduled outage as long as you log in before 1am PT on Wednesday, 7/30, early morning.