A free program for Android, by Factory Widgets.

FlipClock is a powerful, customizable widget for Android phones and tablets. It allows you to set it as the active widget on your home screen and also change its size to suit your phone’s screen.

One of the most useful parts of the app is its calendar. It will show the current date, the day of the week, and the month. You can change the style of the clock and the date. The calendar is useful to know the current time and date and also for planning events.

Another useful part of the app is the clock. Finally, the app also includes other information and weather details.