The 2002 Winter Olympic Games on television often show outdoor events held during daylight, but it’s dark at the time in Wisconsin. So, are you watching live action? Is the sun still shining there at any particular moment?
A web site helps figure this out by using a world “Sunclock” map, and offers U.S. time zone maps, too, including how Daylight Savings Time is implemented.
A similar time zone map covers the entire earth.
More information: Sunclock map
More information: time zone map