Daylight
Every day of 2026 in local clock time. Colour is the true elevation of the sun, so dawn and dusk shade in as they actually happen rather than as fixed bands.
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Times come from a low-precision solar position model, accurate to roughly a minute, and they ignore refraction oddities and the local horizon. In a valley the sun disappears behind a ridge well before the geometric sunset drawn here.
Place search runs through Open-Meteo. Everything else is worked out on the page, and the coordinates from “use my location” never leave the browser.