The application shows current day of year on the main screen. Tapping on the text with current day of year on main screen will copy this value to clipboard. User can also enable displaying current day of year in status bar.

The application supports home screen widgets showing day of year which has two types of size: 1x1 and 2x2. User can customize widget's style on configuration screen. Widget customization allows user to change widget's form, background colour, background opacity and text colour. Tapping on the widget's text will copy current day of year value to clipboard.