When is the next Chicagohenge?

The next Chicagohenge alignment windows in Chicago are: 14 Mar 2027 – 24 Mar 2027; 19 Mar 2027 – 29 Mar 2027; 15 Sept 2027 – 25 Sept 2027. Exact visibility depends on weather and the local skyline.

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City henge · United States

Documented phenomenon

Chicagohenge: Chicago

Sunset · Friday, 19 March 2027

06:53 PM CDT · Look toward W (269°)

Chicago: sunset bearing across the year vs West Madison Street

The dashed line is the street. Where the sun's curve touches it are the henge days. Drag across the year to move the sun.

Chicagohenge is the moment the rising or setting sun lines up with West Madison Street in Chicago.

The date above is the next time it happens, computed from the street's geometry. The windows further down list the full range of days the alignment holds.

Sunset alignment windows

14 Mar 2027 – 24 Mar 2027Peak: 19 Mar 2027 · 06:53 PM CDT
18 Sept 2027 – 29 Sept 2027Peak: 24 Sept 2027 · 06:37 PM CDT

Sunrise alignment windows

19 Mar 2027 – 29 Mar 2027Peak: 24 Mar 2027 · 06:56 AM CDT
15 Sept 2027 – 25 Sept 2027Peak: 20 Sept 2027 · 06:43 AM CDT

Street corridors

Also seen along: West Randolph Street, West Adams Street, West Washington Street

Streethenge calculates geometric solar and lunar alignments. Visibility on site depends on weather, buildings, trees, terrain, safety, and access.