Choose from several layout options, including Masked, Overlay, and Plain styles. Configure your clock format for either 12-hours or 24-hours. Refresh the wallpaper every 10, 20, or 30 minutes - including on the hour (every 60 minutes). Modern Time uses the free Unsplash API to provide you with over 2 million free high-resolution images, brought to you by the world’s most generous community of photographers.