This project has been build to illustrate why the length of day varies during the course of a year. Follow one of the city markers to see how the tilted axis impacts the daylength during summer or winter. Raeykjavik for example barely gets any sunlight at all during winter.
Launch the Web App directly in your browser.
Alternatively download the latest Windows Desktop Release (as zip) or clone the project to build it yourself
The project is using a simplified model of earths orbit around the sun which is not intended to be realistic in shape or scale.
- Press and hold the right mouse button to tilt the camera
- Click on the sun or earth to change perspective
- Use the timeline to manually set the time of year
- Click the timeline markers to jump to important time points
- Use the speed slider to manipulate playback speed
- Use the play/pause button to stop the animation
- Use the markers in the upper left corner to toggle city visibility
- Icons made by Retinaicons from www.flaticon.com is licensed by CC 3.0 BY
- Earth model by Stéphane Agullo on sketchfab.com is licensed by CC 4.0
- War FX by Jean Moreno (JMO) on Unity Asset Store is licensed by Standard Unity Asset Store EULA
- Milky Way Skybox by Adam Bielecki on Unity Asset Store is licensed by Standard Unity Asset Store EULA
- Real Stars Skybox Lite by Geoff Dallimore on Unity Asset Store is licensed by Standard Unity Asset Store EULA