<Li> Rexburg--Brigham Young University Idaho offered a series of eclipse - related educational events . </Li> <Li> Weiser--The city sponsored a five - day festival prior to the eclipse . </Li> <Ul> <Li> Casper--The Astronomical League, an alliance of amateur astronomy clubs, held its annual Astrocon conference, and there were other public events, called Wyoming Eclipse Festival 2017 . </Li> <Li> Fort Laramie--Fort Laramie held an eclipse viewing event, which included a Special "Great American Eclipse" Program . </Li> </Ul> <Li> Casper--The Astronomical League, an alliance of amateur astronomy clubs, held its annual Astrocon conference, and there were other public events, called Wyoming Eclipse Festival 2017 . </Li>

When do the solar eclipse start and end