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Monday, August 21, 2017 at 11:46 am

Global Type: Total Solar Eclipse

Boulder: Partial Solar Eclipse

Begins: Mon, Aug 21, 2017 at 10:22 am Countdown

Maximum: Mon, Aug 21, 2017 at 11:46 am

Ends: Mon, Aug 21, 2017 at 1:13 pm

Duration: 2 hours, 51 minutes

Magnitude: 0.94


August 21, 2017 — Total Solar Eclipse — Boulder

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Animation: How the Partial Solar Eclipse Will Look

The total phase of this solar eclipse is not visible in Boulder, but it can be observed there as a partial solar eclipse. The Moon covers a large portion of the Sun, so this is a spectacular sight.

More about the August 21, 2017 — Total Solar Eclipse

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Phases and Local Times of this Eclipse

10:22 am Aug 2111:46 am Aug 211:13 pm Aug 21
Expand for more details on eclipse events and times

Local times for eclipse in Boulder on Monday, August 21, 2017

EventTime in BoulderDirectionAltitudeLooks likeComments
Partial Eclipse beginsAug 21 at 10:22 am117°East-southeast44.8°
The Moon touches the Sun's edge.
Maximum EclipseAug 21 at 11:46 am143°Southeast57.1°
Moon is closest to the center of the Sun.
Partial Eclipse endsAug 21 at 1:13 pm185°South61.8°
The Moon leaves the Sun's edge.
Times are local for Boulder (MDT – Mountain Daylight Time).

Eclipses and Transits Visible in Boulder

Eclipse Visibility From BoulderVisibility Worldwide
YearDateTypeDegreeLooks LikeMax DegreePath of the Eclipse
2017Aug 21SolarPartial
2018Jan 31LunarTotal
2019Jan 20 / Jan 21LunarTotal
2019Nov 11MercuryTransit
2020Jul 4LunarPenumbral
Note: Click on the date link for details in Boulder, or the path map image for global details. Currently shown eclipse is highlighted.

All Eclipses Worldwide, From 1900 to 2100