# DarkHours > DarkHours is a free, open-source astrophotography planning app for moon phase, weather, and light pollution forecasting. ## Site - [App](https://darkhours.app/): Look up moon phase, weather, and light pollution forecasts for any location and date - [Blog](https://darkhours.app/blog/): Astrophotography trip reports, travel, and software notes from the app's creator - [Blog RSS feed](https://darkhours.app/blog/rss.xml): Full-text feed of blog posts - [Blog llms.txt](https://darkhours.app/blog/llms.txt): AI-crawler summary of the blog specifically - [Dark-sky destinations](https://darkhours.app/dark-sky/): Trip-planning guides for US dark-sky destinations - [Dark-sky llms.txt](https://darkhours.app/dark-sky/llms.txt): AI-crawler summary of the destinations guides specifically - [Sitemap](https://darkhours.app/sitemap.xml): App page URLs - [Blog sitemap](https://darkhours.app/blog/sitemap-index.xml): Blog post URLs - [Dark-sky sitemap](https://darkhours.app/dark-sky/sitemap-index.xml): Destination guide URLs ## Notes - DarkHours is free and open source. - The blog is a separate Astro site served at the `/blog/` path of this same domain. - The dark-sky destination guides are a separate Astro site served at the `/dark-sky/` path of this same domain.