For a few hours, from the West Coast to the East Coast, the sun will disappear during the middle of the day. On August 21, the moon will block part of the sun in every place in the United States.
We are counting down the minutes until the moon's shadow enters the continental United States on that Monday morning:
Within a narrow band from Oregon to South Carolina, there will be a total solar eclipse. It's been 99 years since a total solar eclipse crossed the country from the Pacific to the Atlantic.
On the map below, you can navigate your way to the closest spot that will see a total eclipse.