Hengefinder: Finding When the Sun Aligns with Your Street | Hacker News

Hacker News users discussed Hengefinder, a browser-based tool that shows when the sun lines up with a street or viewpoint.

Commenters compared it with ephemeris tools like The Photographer’s Ephemeris and NASA Horizons, and suggested mobile-friendly access and sunrise support.

People shared use cases from photography and city planning, including examples like Stonehenge and Houston’s Texas Avenue.

The tool appeals to anyone planning sunrise or sunset shots, or exploring streets and landmarks aligned with the sun.