The “Great North American Eclipse” will move across the U.S. on April 8. And, if you’re fortunate enough to live along the path of totality, you may be able to enjoy the full effect of the moon blocking out the sun – at least for a few minutes.

The path of totality will start in Mexico and move across Texas, Oklahoma, Arkansas, Missouri, Illinois, Indiana, Ohio, New York, Pennsylvania, Vermont, New Hampshire and Maine before heading out over the North Atlantic. Small portions of Kentucky, Michigan and Tennessee will also experience almost the entirety of the eclipse.

According to NASA, a total solar eclipse happens when the moon passes between the sun and Earth, blocking the face of the sun. Weather permitting, people along the path of totality will see the sun’s corona, or outer atmosphere, which is usually obscured by the bright face of the sun.

The longest duration of totality will be 4 minutes, 28 seconds near Torreón, Mexico. Most other places along the path of totality will experience the eclipse anywhere from 3.5 to 4 minutes, according to NASA. IN these places, the moon will completely cover the sun and the sky will become dark like it’s dawn or dusk.

Those outside the path of totality will experience a partial solar eclipse, where the sky will appear slightly darker than it was before the eclipse depending on how much the moon blocks the sun.

Another sign of the eclipse? A temperature drop. NASA said you can expect the temperature to drop about 10 degrees depending on the cloud cover at your location.

NASA has an interactive map that traces the path of the eclipse and shows you the time it will be visible across the U.S. You can put in your ZIP code or city and track it here. The map even gives you a guide to just how much of the sun will be covered at certain times during the day.

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