The Network Test is up and playable right now. Even though it has some designated hours depending on regions, everyone is able to play. The schedule is:
Asia/Australia 5:00PM - 10:00PM CST/HKT/SGT 7:00PM - 12:00AM AEST
Europe/Africa 18:00 - 00:00 CEST 17:00 - 23:00 BST
North + South America 6:00PM - 12:00AM PST 9:00PM - 3:00AM EST
Again, every region will be able to play in those three schedules.
Asia/Australia 5:00PM - 10:00PM CST/HKT/SGT 7:00PM - 12:00AM AEST
Europe/Africa 18:00 - 00:00 CEST 17:00 - 23:00 BST
North + South America 6:00PM - 12:00AM PST 9:00PM - 3:00AM EST
Again, every region will be able to play in those three schedules.