https://us.battle.net/forums/en/hearthstone/topic/20770516845?linkId=100000004224478
NA: December 4th, 10AM PST
EU: December 4th, 10AM PST / December 4th, 7PM CET
Asia: December 4th, 10AM PST / December 5th, 3AM KST / December 5th, 2AM CST
CN: December 4th, 3PM PST / December 5th, 7AM CST
強國又係遲幾粒鐘