Description...
During December every year Ushuaia, Argentina, the southern-most city in the world, just below the 54th southern latitude receives over 17 hours of daylight with a maximum of 17 hours and 20 minutes occurring on the Winter Solstice. Globe Earthers often claim this would be impossible on a flat Earth arguing that a local, revolving, spotlight Sun should not be able to illuminate such a southern location for so long...