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Solar Eclipse - August 21, 2017: The Basics

Partial solar eclipse phases

Eclipse Details in Iowa City, Iowa

Date: August 21, 2017

Eclipse Begins: 11:46 AM

Maximum Eclipse: 1:12 PM

Eclipse Ends: 2:37 PM

Duration: 2 hours & 51 minutes

Percent Totality: 92.22% (Partial Eclipse)

Campus Viewing Stations:

Telescopes and free eclipse glasses will be available for safe observations!

Solar Eclipse, August 21, 2017

On Monday, August 21st 2017, a partial solar eclipse will be visible from Iowa City. During this rare event, the moon passes between the Sun and Earth, and therefore blocks the light of the Sun. At our location, the Sun will be 92% obscured by the Moon. In Iowa City, the partial eclipse will begin at 11:46 am CDT, reach maximum eclipse at 1:12 pm, and end at 2:37 pm.

On campus, the Department of Physics & Astronomy, Sciences Library, and Museum of Natural History are pleased to offer two eclipse viewing stations: on the Pentacrest in front of the Old Capitol and in the courtyard in front of the Sciences Library. In case of cloudy skies, you can watch live video streams of the eclipse at Or stop by the Sciences Library to watch on the big screen.

Countdown Timer to the Start of the Partial Solar Eclipse in Iowa City, Iowa


Maximum Eclipse (92%) will be 1 hour and 26 minutes after the start of the Eclipse at 1:12 PM.


This guide was modeled after The Great American Eclipse guide by Linda Zellmer at Western Illinois University.