The map below shows the current position of the Sun. It also shows which parts of the Earth are in daylight and which are in night. This map is courtesy of http://www.world-timezone.com.
The simulation below allows you to see how day and night varies throughout the year across the world. The simulation is courtesy of the Astronomy Education at the University of Nebraska-Lincoln.
Simulation downloaded from the Astronomy Education at the University of Nebraska-Lincoln Web Site (http://astro.unl.edu).