"December 1st" except, no

[Richdude-nordrassil]

You are right, reading is hard:

Naxxramas Opening Time and Scourge Invasion Adjustments

Following the release of WoW Classic patch 1.13.6 on December 1, we’ll open Naxxramas and kick off the Scourge Invasion on December 3 at 23:00 CET. The Scourge Invasions coming to WoW Classic next week have been adjusted in some ways that differ from how they were originally configured to operate in 2006. Here’s a look into the details behind that. Original WoW On June 20, 2006, Scourge Invasions began, including bonus dungeon bosses, vendors, quests, and a series of undead invasion outdoor …

The last EU announcement says the patch will be released on the 1st. The OP’s point stands.

@Dottie-thunderhorn

It’s just someone assuming they read something in a certain way.

No, it’s just someone actually referring to the most recent update from Blizzard on the EU forums.