The time difference between New York and London is +5 hours. If it is 5 p.m. in New York City, then it would be 10 p.m. in London.
The Winter's Howl is a Wonder Weapon introduced in Call of Duty: Black Ops and is available in Five and the remastered version of Verruckt. It fires a blizzard that causes ice-based effects on the zombies. When a zombie is hit once by the Winter's Howl, it emits an icy steam and slows to walking speed. This gun also appears in the Call of Duty: Black Ops version of Verruckt, available from the box. 2  In Five, using the Winter's Howl against the Pentagon Thief can slow him down and even kill him.
Discover Darkwraith covenant. This covenant requires a bit of planning and is very easy to miss. You need to talk to Kaathe to get the option to join this covenant. Kaathe can be found in the Abyss in front of the bonfire after defeating the Four Kings (see corresponding achievement if you're having trouble with that).