That depends on where you are, but generally, in the path of the totality, where the shadow of the moon will fully obscure the sun, the total eclipse begins in Texas a little before 2:30 pm EST (1:30 pm CDT) and then move northeast, viewable for a few minutes along the path, until about 3:30 p.m. EST.
The partial eclipse will be viewable earlier and later, both in and outside the path of the totality throughout the country.
NASA has made a super handy tool for figuring out exactly when you’ll be able to see what, for how long (based on your zip code) here.
For instance, in New York City, where nearly 90 percent of the sun will be shadowed by the moon, the partial eclipse start to become visible at 2:10 p.m. EST, and reach 89.6 percent at 3:25 p.m., and the sun will fully visible again at 4:36 p.m.:
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