3D world clock PWA
Terra Clock
The whole world · right now
Explore a living 3D Earth with accurate daylight, real political time zones, DST-aware city clocks and a timeline that lets you move through time.
Install Terra Clock
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What Terra Clock does
Living 3D EarthDrag, zoom and fly between saved cities.
Accurate daylightNOAA solar math drives the moving terminator.
Real local timeIANA zones provide political rules and DST.
Time simulationStep, scrub or accelerate the entire globe.
Personal world clocksSearch, save, reorder and focus your cities.
Offline-ready shellPreviously loaded globe assets are cached locally.
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Version1.1.1
A free Gordon AI Services tool.
Powered by: Three.js, NASA Blue Marble and Black Marble imagery, Natural Earth borders, NOAA solar calculations, the IANA time-zone database and Open-Meteo geocoding. The first launch needs internet access; successfully loaded runtime assets are retained for repeat and offline use.