Day Night Map is a free iPhone application developed by Volker Vocking. It falls under the Lifestyle category, specifically designed to provide users with a visual representation of the regions experiencing daylight and night.

The main feature of Day Night Map is its world map, which dynamically updates every minute to display the current distribution of day and night across the globe. Users have the option to select a specific date and time to view the daylight and night regions for that particular moment.

Additionally, Day Night Map offers a unique feature that allows users to create animated GIFs illustrating the changing distribution of day and night over time. This provides a fascinating way to observe and understand the global patterns of sunlight and darkness.

With its simple and intuitive interface, Day Night Map offers a convenient way to explore the world's time zones and visualize the Earth's rotation. Whether you're curious about the current daylight conditions in different regions or interested in studying the patterns of day and night, this application provides an engaging and informative experience.