The following is a good article on how to build a very simple pinhole camera based viewer for the eclipse. This is a simple effective and safe way to view the solar eclipse on Monday August 21,2017. I have built one before, many years ago and it works.
When is the eclipse happening??
The following interactive Google map based will give you the time of the eclipse for your location. Times are listed in UTC, 24 hour format. Subtract 5 hours from the time listed for Eastern Daylight Time, 6 for Central, 7 for mountain, 8 for Pacific.
National Weather Service Eclipse Information