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.
Other people consider the best weapon in Black Ops 2 zombies to be the HAMR. The HAMR, the RPD, and the LSAT, are all very powerful weapons in Black Ops 2 zombies that many would regard to be the best weapons. Most people would regard the HAMR to be better than the RPD simply because the HAMR takes less time to reload.