In case you missed Blizzard's announcement, Season 7 is ending in 8 days and Season 8 starting a week after that...

http://us.battle.net/d3/en/blog/20275888


Season 7 will be ending on the following dates and times:

North America: Friday, October 14 @ 5:00 p.m. PDT
Europe: Friday, October 14 @ 5:00 p.m. CEST
Asia: Friday, October 14 @ 5:00 p.m. KST

Season 8 will begin about one week afterward on these dates:

North America: Friday, October 21 @ 5:00 p.m. PDT
Europe: Friday, October 21 @ 5:00 p.m. CEST
Asia: Friday, October 21 @ 5:00 p.m. KST