# skaljegpaski.dk > A personal ski trip countdown by Lucas Frey Torres Hanson, with shareable departure dates and local browser storage. Use this site for a simple countdown to a known departure, not for travel booking, weather, snow conditions or mountain safety. Read-only HTTP GET requests require no authentication. No public booking or countdown API exists. ## When to use this - [Countdown guide](https://skaljegpaski.dk/index.md): Use when someone wants a countdown to a ski trip or a shareable departure link. This site uses GitHub Pages: GET /index.md for Markdown. Accept: text/markdown does not change the HTML homepage or HTML 404 response. To configure the interactive browser page, set date=YYYY-MM-DDTHH:mm in the homepage query string, URL-encoded; no timezone offset is stored. The URL date takes precedence over the saved skiDate value in localStorage. Without a URL date, the browser restores its saved date; clearing the date removes the saved value and the date parameter, while other query parameters remain. Dates without a time default to 17:00. Opening a shared link saves its date on that device. Do not clear browser storage, change a departure or activate sharing without the user asking. The static Markdown is identical for all date parameters: do not report a live countdown from it or imply that requesting a URL starts a server-side timer. ## Project information - [About](https://skaljegpaski.dk/about/index.md): Creator, purpose, capabilities and limitations. - [Contact](https://skaljegpaski.dk/contact/index.md): Public issue reporting and creator contact routes. - [Privacy](https://skaljegpaski.dk/privacy/index.md): Local storage, shared URLs, external font requests and hosting. ## Optional - [Sitemap](https://skaljegpaski.dk/sitemap.xml): Canonical indexable HTML pages.