This App calculates the difference between the two times. It supports both AM+PM and 24 Hr time format. It can optionally have resolution of seconds. User can enter the current time by pressing now button. Please rate my app and check out my other apps.The app is also present on Windows Phone 8 http://www.windowsphone.com/s?appid=55ddf13b-4503-4a49-9ddc-72925abb5d0d.