Time of Day

This theme for WinterBoard is called "Time of Day" since it displays one of five wallpapers according to the current time on your phone.

You can quickly see this in action if you set your time to something like 3:58am in your settings then respring. Also when your screen is locked, your wallpaper still changes.

8pm-4am = Night
4am-6am = Sunrise
6am-9am = Morning
9am-6pm = Sunny
6pm-8pm = Sunset