Branden Rishel created this map showing only the world’s time zones — without any of the land underneath. It highlights just how unusual these artificial boundaries can be: Just the time zones.

Changing time zones can also strengthen international relations. "Countries might choose a different time zone to be with ...

iOS: If you know or work with people all over the world, it helps to know what time zone everyone is in. You can easily check different time zones on your phone, but OneTime lets you do this and more.

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 ...