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Sun Clock is a 24-hour clock that displays the position of the sun, and times of sunrise, solar noon, sunset, golden hour, and twilight for your current location. It also shows the position and phase of the moon, and its rising and setting times.
A note about direction1 — why does it go backwards?
Tap on or hover over the segments to get their start and end times. You can also tap/hover on the moon, the hour hand, and the centre dot.
See updates for change history.
Sun Clock is free to use, and contains no advertising. If you would like to help support Sun Clock, please —
We collect aggregate user stats only. Your location and settings are stored in your web browser and are not sent to the server. No cookies are saved or sent.
If you are searching for a , you are likely looking for detailed explanations on the following core engineering principles:
The PDF version of "Mechanics of Materials" by Popov can be downloaded from various online sources, including:
If you are a student, check your university’s course reserves or engineering department shared drives first. Many professors still assign Popov, and legitimate PDF excerpts are often provided. Happy studying—and may your stress analysis be always elastic. popov mechanics of materials pdf
Egor Paul Popov (1913–2001) was a distinguished professor at . His work is noted for its clarity and is often used alongside other classics like Timoshenko’s texts. Beyond his textbooks, Popov was a pioneer in earthquake engineering , specifically researching the seismic performance of structural materials. Egor P. Popov - Earthquake Engineering Research Institute
Content (fill-in template you can paste into a document or slide): If you are searching for a , you
Professor Emeritus James Corrigan hadn’t touched a physical textbook in five years. His office, once a cathedral of crumbling, tobacco-scented paperbacks, was now a minimalist shrine to the cloud. On his desk sat a single 27-inch monitor, a keyboard, and a mug that read I ❤️ Stress & Strain .
The maple leaf fell into the scanner by accident when his four-year-old daughter ran into the room, crying. He picked her up with one hand, rescued the leaf with the other, and kept scanning. Egor Paul Popov (1913–2001) was a distinguished professor
: Contains the original 590-page publication that established many modern teaching standards for stress and strain. Supplementary Study Materials
Added an option for a ticking seconds hand (sweep hand is still the default).
Fixed a bug where the Moon icon was incorrect in recent versions of Safari.
Added the option to show the odd numbers on the clock face.
The "use 12-hour times" option now applies to the numbers on the clock face also.
Added an annual calendar. Try it out. Feedback welcome!
Sun Clock is now a Progressive Web App. This means you can install it on your device homepage and it will be available when your are offline.
Added auto-color mode (dynamic colors that change with the time periods.)
Added dark mode.
Live!
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