On 09/25/2014, starting at 1 AM PDT, ranked queues will be disabled in preparation for patch 4.17. At 03:00 AM PDT, the servers will be shut down and all games currently in progress will end in a draw and stats will not be recorded. We estimate the battlegrounds will be unavailable for 6 hoursAnd here is the schedule for the other regions (patching starts on September 24th – 25th):
Schedule for EUW and all.
http://www.newsoflegends.com/index.p...regions-26668/
Click the link below to see what's in 4.17 (like Tristana nerf on ult cooldown)
http://www.newsoflegends.com/index.p...ch-4-17-26486/