Loading Earth textures
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Equator: 12.0h daylight
Rise 6:00 AM Set 6:00 PM
Drag the Earth, scrub the hour or date. The day/night line, daylight bar, and sunrise/set times are all computed live from where the Sun really is, lit with NASA's day and night maps. The tilt buttons are the fun part: Earth's real lean wanders 22.1 to 24.5 degrees over 41,000 years, and without a big Moon to steady it, it wouldn't hold near 23 at all.