A unique sculptural piece of art that also functions as a cool solstice marker, in the middle of a campus-style office development just off the Dallas North Tollway on Quorum Blvd in downtown Addison.
From LeeAnn Torran's Art for Children website: (
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"Sun-Up at Quorum
This is a solar equinox marker. It is located at Landmark Boulevard and Quorum Drive in Addison, Texas.
At mid-day in the spring and the autumn, when days and nights are equal in duration, the sun’s rays pass through an aperture in the arch to strike the sphere below.
Due to the uneven elliptical course the earth travels around the sun as well as the inclination of the earth’s axis the sun seven minutes late in the spring and seven minutes early in autumn. Twenty-seven minutes must also be added to compensate for the longitude and latitude of Dallas.
March 21st at 12:34
September 21st at 1:20"
This amazing piece of public art is listed in the Smithsonian Art Inventory Database: (
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"Sun Up at Quorum, (sculpture).
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Artist: House, John V., 1926- , sculptor.
Baldwin Metals, fabricator.
Title: Sun Up at Quorum, (sculpture).
Dates: 1981.
Medium: Oxidized steel.
Dimensions: Approx. H. 19 ft. x L. 40 ft. x D. 3 ft.
Inscription: (On north end:) J. V. House (On south end:) Baldwin Metals, Dallas, Texas, signed Founder's mark appears.
Description: Environmental sculpture installed directly in the earth on a knoll specifically designed for it. The arch stretching over the globe is aligned with the sun in such a manner that its shadow on the globe accurately measures the solar calendar.
Subject: Landscape -- Celestial -- Sun
Owner: Administered by Quorum Protective Corporation, Landon Management Company, 9101 LBJ Freeway, Suite 450, Lock Box #6, Dallas, Texas 75243
Located Quorum Place, Quorum Drive at Dallas Parkway, Dallas, Texas
Remarks: Sculpture is a solar equinox marker. On the days of the equinox, March 21 and Sept. 21, the sun's rays pass through the aperture in the piece and strike the sphere on the ground. IAS files include the text of a nearby plaque which explains the equinox and how it works with the sculpture."