For those who haven't looked into it, Ranked games will be disabled at 01:30 PCT September 2nd 2015 for the add on of the Project skins, I'm not 100% certain of this but this is what I have found, there are other sources saying its on 9/8 but I'm not sure, both of these sources were found on surrenderat20 please lemme know if you know the correct date if I am incorrect
El Condor Pasa2 voteshttp://boards.pbe.leagueoflegends.com/en/c/general-pbe-feedback/3qXbIdqV
Be among the first to unlock new PROJECT skins from 9/8 - 9/15 23:59 PDT
The skins are released on the 8th.
Meliodafu1 votesI saw this too but I also found my source too idk I guess I'll wait a few hours and find out soon enough haha, thanks for the source I appreciate it
El Condor Pasa1 votesI also found my source too idk I guess I'll wait a few hours and find out soon enough haha
You don't trust that the date given by a rioter is the correct date?
Riotmoonstones1 votesThis is the correct information. The patch [5.17] went out on 9/2, but the PROJECT: skins will not be unlocking until the 8th.
Young GG1 voteswhen will project skins release exactly like at midnight pst?
Riotmoonstones1 votesThey'll be here soon! (Not soon TM)
SineofTheta1 votescant wait for project 
RelentlessPony1 votescant wait for project
SAME HERE ALL THE WAY
Cosmic Whales1 votesLIES!! ALL LIES I SAY