Editors' Note: The "Download Now" link directs you to the product page. You can download the application from the Android Market on your Android device.
Hours for Android allows you to calculate planetary hours for virtually any date and any location on the Earth using super-precise Swiss Ephemeris. It doesn't need an internet connection as it is completely self-sufficient. If you don't remember the symbol of a planet, just tap on the corresponding row and you will see both the name of the planet and some keywords for it.