Interactive Maps: Which Places Switched Time Zones in 2016?

This article is a spin-off from our popular yearly review of political geography events. For more on changes to countries and borders in 2016, check out our main 2016 year in review article! 

Free map of world time zones from Wikimedia Commons, up-to-date for the beginning of 2017. See the close-ups below for interactive, before-and-after illustrations of time zone changes during 2016.

Article and additional graphics work by Evan Centanni
 

Who Controls Time Zones?

The system of dividing the world into time zones is accepted all around the world, in principle. It's an organized way of letting clocks in each part of the world hit noon around the middle of daylight hours, even if it's midnight on the other side of the world. But surprisingly, there's actually no international organization that determines time zones. Except for in the open ocean, where time zones are standardized by a loose agreement between fleets and ship operators, the dividing lines are set independently by each country's government, or even by local governments below the national level.

2015: The Year in Political Geography Changes

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Rival government and "Islamic State" (ISIS) control in Libya, August 2015 (click for free full-size map and article)

Inside this Review of 2015:

• New countries, breakaway states, and micronations
• Country name, capital, and flag changes
• Border changes and disputed territories
• Countries joining international organizations
• Recognition of disputed countries
• Rebel control in conflict zones
• Sea borders and seabed claims
• New states and provinces
• Currency changes
• World time zone changes

It's PolGeoNow's mission to track changes to the world's countries, borders, and territories, whether it's happening formally on the books or unofficially on the ground. When new countries appear, borders change, and territorial disputes arise or are settled, you'll hear about it here. With 2015 now concluded, here's our look back at the events of the year!

(For extra coverage of political geography events in 2016, follow us on Twitter!)

2014: The Year in Political Geography Changes

Premium members click here to view this article in the ad-free members area. Not a member yet? Subscribe now!

Scotland said "NO" to independence in a close vote last September.

Inside this Review of 2014:

• New countries & breakaway states
• Membership in international organizations
• Recognition of disputed countries
• Territorial disputes
• Rebel control
• Sea borders and seabed claims
• New states and provinces
• Changes to world time zones
• And more!

PolGeoNow's mission is tracking changes to the world's countries, borders, and territories, whether it's happening formally on the books or unofficially on the ground. When new countries appear, borders change, and territorial disputes arise or are settled, you'll hear about it here. With 2014 now concluded, here's our look back at the major events of the year!

(Note: For extra coverage of political geography events in 2015, follow us on Twitter!)