Fixes Blighting Tower's start offset

[Invisi]

We're currently off by one hour for some reason and the topic came up a few times but never got fixed:

• https://discord.com/channels/531175899588984842/534492012263636992/908127428524785724
• https://discord.com/channels/531175899588984842/534492012263636992/915235376791187477
• https://discord.com/channels/531175899588984842/534492173362528287/930212440996708484

Time has been confirmed again ingame and via wiki.

[dlamkins]

Thanks for doing this! I always say I'm gonna do it and then I don't. 🤦‍♂️