Effects of time zones on North American broadcasting Effects of time zones on North American broadcasting The scheduling of television programming in North America (namely the United States, Canada, and Mexico) must cope with different time zones. The United States (excluding territories) has six time zones (Hawaii–Aleutian, Alaska, Pacific, Mountain, Central and Eastern), with further variation in the observance of daylight saving time. Canada also has six time zones (Pacific, Mountain, Central, Eastern, Atlantic and Newfoundland). Mexico has four time zones (Pacific, Mountain, Central, and Eastern). This requires broadcast and pay television networks in each country to shift programs in time to show them in different regions. Canadian
Eastern Standard Tribe light a touch that it's not intrusive at all." He described the novel as "funny and superficially lightweight, but when you're done, you might find yourself subject to troubling afterthoughts." Eastern Standard Tribe Eastern Standard Tribe is a 2004 novel by Cory Doctorow. Like Doctorow's first two books, the entire text was released under a Creative Commons license on Doctorow's website, allowing the whole text of the book to be read for free and distributed without the publisher's permission. The novel takes place in a world where online "tribes" form, where all members set their circadian rhythms to the same