Hindu World Calendar application shows the Panchang data calculated for the city nearest you. It shows a variety of information like tithi, nakshatra, rahu kalam, moon rasi, sun rise, moon rise, festivals etc. The application contains panchang information for cities all around the world in several continents. You can also record your personal events for a given date (like the Tamil or Sanskrit birthday for your children). This information is saved and you can get to it from all your Windows 8 devices through this application. Data is courtesy of www.mypanchang.com.