Zones makes time zone conversions effortless. It’s simple, beautifully designed, and available on your iPhone, iPad, and Mac, so no matter where you are or what you’re doing, knowing the best time to ...

In early January the sun does not rise in Kashgar, in China’s far west, until after 10am. Across the border, in eastern Afghanistan, it rises before 7am. That difference is the greatest jump in time ...