And when will they know what the outcome was?
Answer: Hunter Johnson, Associate Professor at John Jay College of Criminal Justice (2008-present)Answered 4h agoAccording to Ledger (Securing your free “Bitcoin Cash” stash – Ledger) the fork will occur at this time:
The fork is supposed to activate on Unix timestamp 1501590000 (1st of August 2017, 12:20 pm UTC — countdown available on https://timeanddate.com/s/3ayn), providing all participants have access to a synchronized and reliable time source.
I don’t know if there’s a Bitcoin ABC version of blockchain.info, but one way to see if the network is running is to make a small transaction using the new client Bitcoin ABC | Home. Then see if that transaction shows up on the bitcoin blockchian.