Interactive World Time Zone Map
Explore our interactive world time zone map. Visualise all 24 time bands, see why time zone borders are jagged, and check live local time across the globe.
Select a Longitudinal Time Zone Band
Greenwich Mean Time (GMT/UTC)
Standard Offset: UTC +0 • Ref: Europe/LondonMajor Cities & Time Zones in UTC +0
12 canonical zones listedVisualize the Global Clock in Real Time
The easiest way to understand the complex web of global time is to view it visually. Our interactive world time zone map lays out the entire globe, allowing you to easily see how hours shift as you move east to west. By hovering over or clicking on any longitudinal band, you can instantly inspect the current local time, the official UTC offset, and the major cities that exist within that specific geographic slice.
The science behind the map is based on the Earth's rotation. Because the planet completes a full 360-degree rotation every 24 hours, the globe is roughly divided into 24 standard meridians, each spaced 15 degrees apart. Coordinated Universal Time (UTC) acts as the anchor at 0° longitude in Greenwich, London. Every time you move one band to the east, you add an hour. Every time you move to the west, you subtract an hour.
However, as you look at the map, you will quickly notice that the time zone borders are rarely straight. Governments adjust these lines to wrap around national borders, major transport routes, and island chains to prevent half a country from being an hour ahead of the other. The most dramatic shift happens at the International Date Line in the Pacific Ocean. Navigating this map gives you a clear, immediate understanding of exactly what time it is, anywhere on Earth.
Why Time Zone Borders Are Jagged
Comprehensive reference data, atomic synchronization standards, and international temporal guidelines.
Crossing the International Date Line
Comprehensive reference data, atomic synchronization standards, and international temporal guidelines.
Frequently Asked Questions: World Time Zone Map
Common queries, time calculations, and scientific explanations
Explore More Time & Location Directories
Discover time zones, country hubs, or check current world time.