World Clockr Free (com.worldclockr.android.free) on Google Play
World Clockr gives everybody his own collection of digital world clocks. Each clock is customized to a city, location and time zone. This way it can show accurate sunrise and sunset times and reflect the current sun position on its animated background.By tapping the text you can switch between 12/24 hours and date, timezone and sunrise/sunset times. Ad supported freeware