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Real solar science, calculated for your place, with sources. Sun beliefs from named places and times. Solar symbolism · symbolic, not predictive.

Cool Sun Facts · Lab

The Sun's tools

Everything here is worked out in your browser from the Sun's position, for the place you choose.

Tonight's phase needs JavaScript. The phase, the rise and set times and the calendar are all worked out on your device. There is no server doing it for you, which is also why the site has no account. The facts themselves are plain pages and read fine without it — start at Explore.

The Sun's tools

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Gear that makes it better

Where these numbers come from