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About Anytime Sky

Earth, in celestial time.

Anytime Sky combines astronomical calculations with interactive globe, terrain, imagery, and skyline data so you can explore the sky from another place and time.

Application environment

Release
v0.9.79
Application
Next.js-compatible React web app
Primary renderer
CesiumJS WebGL globe with a Canvas fallback
Astronomy
Astronomy Engine calculations

Mapping and data acknowledgements

Cesium ionGlobe rendering, terrain, imagery, geocoding, and 3D Tiles services.GoogleGoogle Photorealistic 3D Tiles and related imagery are shown when Photo 3D is enabled.
  • OpenStreetMap contributors provide data used by schematic skyline features.
  • Astronomy Engine supplies astronomical calculation foundations.
  • BigDataCloud supplies reverse-geocoded device-location names.
  • Individual imagery and tile-source credits may also be shown by the globe on larger displays when those sources are active.

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© 2026 Anytime SkyHomeExplorerMoonGuideAboutContactPrivacyCompatibilitySite By tldesignworksv0.9.79 · build fe8d837 · 2026-10-13 22:50 UTC