How did Time Magazine publish so fast?

This is the second time I’ve been blown away by the publishing and delivery speed of this magazine. My current copy (with cover date of Nov. 12th) arrived today, Nov. 3rd, containing story and photos of Hurricane Sandy. Time magazine, whose main office is in New York, has managed to get the storm coverage written and the magazine put together, printed, and home-delivered five days after the event. I’m impressed.

The same thing occurred in May of last year: the issue covering the death of Osama bin Laden was in my home on Friday. The raid had occurred the preceding Monday, less than a week before.

Taking nothing away from other feats, such as those that newspapers pull off daily, I am just wondering how a weekly newsmagazine could achieve this kind of speed. When did the presses have to roll in order to make delivery today?