1) Asheville to Roanoke (via Blue Ridge Parkway) 2) Spend the day at Roanoke. 3) Roanoke to Charlottesville (via Blue Ridge Parkway) 4) Spend the day at Charlottesville. As we are a little short on time, we were thinking of doing part of the journey between Asheville and Charlottesville via the I-81.
Dear Robert, Sunrise is defined as the moment the top of the sun's disc first breaks the plane of the horizon in the morning, and sunset is when the top of the sun's disc sinks below the horizon in the evening.
According to the U.S. Naval Observatory, the precise definition states that sunrise or sunset is when an observer at sea level with an unimpeded view of the horizon sees the upper disc of the sun to be tangent to (touching) the horizon.