Sundials - World's Oldest Clocks

North American Sundial Society

Sundials of North America

This is a complete listing of sundials in the North American Sundial Society Registry. Click on any dial thumbnail picture or city name to display the full dial listing and images. To see sundials from a particular state or province, you may click on the list at right to see all registered sundials in that state, province or country (at bottom) displayed in city order.

You may also type into the NASS search field at upper right any search word such as "equatorial" to get a list of all articles mentioning equatorial dials and a list of all equatorial sundials in the registry. (Try other dial types: "vertical", "horizontal", etc).

Sacremento California USA Equatorial Dial Dial 1024
A 6 foot wide x 5-foot high burnished stainless steel equatorial sundial. The meridian arc is parabolic shaped and the equatorial arc is slightly more than a gracefully tapered half-circle 5 1/2-feet in diameter. The central elliptical gnomon plate, which swivels to face the sun, has an analemma cutout that casts an accurate civil-time shadow onto the equatorial ring below. The gnomon plate is laser-etched with the analemma, months and 365 days of the year, and marks for the equinoxes and solstices, and instructions. The equatorial timeline is laser-etched with hour and minute marks from 6:30 AM to 6:30 PM. The sundial body rotates and locks in position for either Daylight Saving or Standard Time. The sundial is highly accurate compensating for longitude (the equatorial ring is rotated 5min 24 sec early to measure solar time on the pacific meridian) and equation of time (by reading the east or west edge of the analemma plate gnomon shadow). The sundial often indicates clock time to within seconds and the date to within a portion of the day. A stainless steel base cover encloses the mounting hardware beneath.
Bala Cynwyd Pennsylvania USA Vertical Dial Dial 1023
This is a statuary of a saddened maiden leaning over a vertical dial. The hour lines are thick lines radiating from the foot of the gnomon from 5am to 5pm. The maiden's hand lays over the bronze gnomon. In the center of the dial is a compass rose. This may be an 18th century statuary, a cast copy of a dial and statue in London.
Haverford Pennsylvania USA Vertical Dial Dial 1022
Not too far up the wall of Union Hall is this vertical rectangular dial about 2x3 foot in size. The limestone dial is embedded in the stone block wall. The declining dial has hour lines every half hour from 5am to 6pm, but the gnomon is missing, leaving only a bronze stain on the light stone face. Most disturbing is a magnolia tree planted by the class of 1972 that now totally blocks sunlight from reaching the dial.
Haverford Pennsylvania USA Vertical Dial Dial 1021
This bronze vertical dial is about 2x3 feet with a splotched green patina. The hour lines and Roman markers go from 5am to 7pm. The tip of the gnomon shadow shows the date among declination lines from solstice to solstice. It is inscribed as an analemmatic dial, but only because at the noon hour is the trace of the analemma. Considering the motto on the dial, this was probably erected as a memorial to those lost in The Great War.
Haverford Pennsylvania USA Vertical Dial Dial 1020
Vertical dial about 2-foot square high up on the east wing of KINSC. The limestone dial is embedded in the stone block wall. The declining dial has hour lines every half hour from 5am to 4:30pm. The gnomon is in excellent condition and has not left brass stains on the dial face.
Haverford Pennsylvania USA Horizontal Dial Dial 1019
A rectangular horizontal dial about 18 x 12 inches. Heavily weathered, but Roman hour lines from 6am to 6pm with noon gap still visible. Original 5 minute hour marks barely visible on rim. The gnomon went missing some years ago and was retrieved on eBay, and is retained by the college.
Swarthmore Pennsylvania USA Horizontal Dial Dial 1018
This octagonal dial was given to Swarthmore in memory of their classmate Howard White Jr. The dial was originally placed in the Scott Arboretum on Parish Lawn but was removed for pathway reconfiguration in 2006. An alum Bob Thompson found that the dial was stored under the bleachers alongside Skallerup Track. n honor of Thompson’s 92nd birthday, the Arboretum returned the sundial placing in in front of Pearson Hall for the next generation of students to enjoy.
Philadelphia Pennsylvania USA Noon Mark or Meridian Dial Dial 1017
This meridian dial titled "The Point Where Things Change" was commissioned by the Redevelopment Authority of the City of Philadelphia. It is a large 8-foot diameter hoop aligned north-south. The gray painted hoop is supported at its base, covered by a narrow steel sheet cone also painted gray. The meridian dial and cone are slightly raised above a concrete pad. During the morning the shadow climbs up the AM side of the cone, at noon it rests directly on the point, and in the afternoon it starts to descend down the PM side of the cone. The Redevelopment Authority budgeted $18,000 for the meridian dial as a public art project.
Philadelphia Pennsylvania USA Horizontal Dial Dial 1016
In a small plaza is a beautiful bronze statue of Pan with Flute. The statue is 36 x 20 x 18 inches. His should is bent to hold a 12-inch bronze sundial. Along the edge of the dial are Roman hour marks from 5am to 7pm. "In 1938, Mrs. William Stansfield presented the bronze statue, “Pan with Sundial,” to the University in memory of her husband, an alum from the class of 1902. The work is by Philadelphia native Beatrice Fenton, a figurative sculptor and portraitist who studied at the School of the Philadelphia Museum of Art and the Pennsylvania Academy of the Fine Arts. Fenton exhibited her work as the 11th member of the “Philadelphia Ten”—a group of women artists—as well as at the Art Institute of Chicago, the 1939 New York City World’s Fair and, in 1976, the Philadelphia Museum of Art. From 1942 to 1953, Fenton taught sculpture at the Moore Institute of Art.
Baltimore Maryland USA Analemmatic Dial Dial 1015
This red brick analemmatic is an ellipse 18x12 feet. It has concrete stone inlays for the zodiac walkway and hour stones from 5am to 7pm in black lettering. At the edges are markers for the cardinal points and along the east-west line are the seasonal points (Bailey Points) for determining the direction of the rise and set of the sun.
Beaufort South Carolina USA Horizontal Dial Dial 1014
Cast bronze, 18 inch diameter circular face, mounted on a cement pedestal 40 inches tall. The gnomon is 5.5 inches tall with a 5-point star cut through it. Arabic numerals mark the hours from 6am to 6pm. US Marine Corps emblem (Eagle, Globe, and Anchor) at the left and right positions on the outer circle of the face. This dial was previously located on the Naval Hospital, Parris Island, which was decommissioned on August 31, 1949. The last Commanding Officer of NH Parris Island, Captain Leslie Marshall, became the first Commanding Officer of NH Beaufort and brought the sundial with him to the new site.
Buffalo Valley Tennessee USA Horizontal Dial Dial 1013
This monumental size sundial is called "Marking Time: and spreads over an area 100 x 50 feet (30 x 15 m). The gnomon is a 12 foot (3.6 m) tall welded stainless steel structure. The last several feet of the gnomon is a thin metal bar ending in a sharp point. Multiple time markers are arranged in hour lines from 6am to 6pm. These marks have the names of all 95 Tennessee counties and the noon line has only one county, Davidson, in tribute to the state capital in Nashville, Davidson Co. The large concrete base of the gnomon has fossil type imprints on the surface.
Great Falls Virginia USA Analemmatic Dial Dial 1012
This 12-foot E-W analemmatic sundial was the Eagle Scout project of Kenny Dieffenderfer who marshaled volunteers from Troop 1547 and parents. The dial has hour marks of bright yellow radiant suns from 5am to 7pm local time. The zodiac walkway is 30 inches wide, painted with a white background and line marks for each month and appropriate colorful drawings. The equinox is clearly marked and surrounding the dial are the cardinal markers of N, S, E, W.
Waipahu Hawaii USA Horizontal Dial Dial 1011
This is a large horizontal dial with a blue metal gnomon. At 21 deg latitude, the gnomon's low angle is distinguishing. Along the perimeter of half circle are Arabic numbers marking the hours from 6am to 6pm set between two concrete chapter rings. Just beyond the dial to the north is a an concrete bench that arcs across the 10am-2pm shadow line. The dial and bench are situated at one end of a long green corridor between the school buildings.
Denver Colorado USA Gnomonic or Projection Dial Dial 1010
This gnomonic sundial uses an oculus high above ground level to project sunlight through a large overhead disc made of yellow plexiglass with a hole in the center to provide a brighter spot of sunlight surrounded by a yellow ellipse to show date and time. The light projects onto a large gnomonic calendar in colored concrete designating the months and hour lines from 10am-2pm standard time. Summer hours are designated from 11am-3pm.
Athens Ohio USA Horizontal Dial Dial 1009
For a dial 114 years old, it is in excellent condition. The bronze dial is of simple form with hour marks every quarter of the hour and a chapter ring with Roman hours from 5:30am to 6:30pm. Surrounding the chapter ring it reads "Ohio University". Father time stands with a scythe at the foot of the gnomon that contains the profile of a bird. On the dial plate Shakespeare's Sonnet 16 is lightly engraved. The sundial was erected in 1907, though there is a photo of "a quartet of gentlemen" attributed in 1890, yet the cylindrical pedestal with plaque is easily recognizable.
Westville Indiana USA Horizontal Dial Dial 1008
This marine brass sundial at first glance is just a beautiful horizontal sundial with Roman hour marks delineated at 1 minute intervals from 5am to 7pm . But look carefully and at the base of the gnomon on the north side is a vertical stile whose shadow graces a stereographic projection of a grid of 5-minute solar time lines vs solar declination at degree intervals spanning +/- 23.5 deg where the summer and winter solstice paths are highlighted by a bead of small solar dots.
Ventura California USA Horizontal Dial Dial 1007
The central part of the bronze sundial, approximately 12 inches in diameter, has the traditional hour marks and divisions into 15 minute intervals and surrounded by Roman numerals from 5am to 7pm. South of the gnomon is a simple compass rose with four cardinal points. With the dial at ground level the gnomon has led a hard life and is now held to the dial plate with improvised brackets. Surrounding the dial, doubling the size to 24 inches in diameter is an elegantly engraved ring of the twelve figures of the zodiac, each named on the outer ring with the corresponding month on the inner ring.
Indianapolis Indiana USA Horizontal Dial Dial 1006
Nestled among the trees in a small triangular park is a monumental horizontal sundial with oversized hour marks. The apparent method of reading the Roman hours that are all south of the 6am - 6pm line, is to look at the shadow then gaze across the sundial to read (upside down) the hour. The hours are 6, 9 ,12, 3, and 6. On the north side of the 6am-6pm line are 3 plaques where the normal 9, 12, and 3 hours should be. One is a plaque for Robert McCord who planted and maintained the park during the 60's until his death. Another plaque records that the McCord Park sundial is dedicated to a local police officer, William Whitfield, who was the first African American police officer killed in the line of duty in Indianapolis. His name is engraved on the central part of the large triangular sundial gnomon. Surrounding the base of the sundial are ceramic tiles from Barbara Zech, a local clay artist who fired the tiles created by students from the nearby school. The tiles have the theme of "home" and "community". The park renovations were headed by the group Keep Indianapolis Beautiful.
Marshfield Massachusetts USA Analemmatic Dial Dial 1005
This beautiful and educational analemmatic sundial is painted on the blue background of a 14x10 foot concrete pad. The ellipse itself has a semi-major axis of 76 inches and a semi-minor axis of 48 inches, particular suited for children. The zodiac walkway is nicely painted in white with clean stenciling of the months. The solstices and equinoxes are marked in large letters and the cardinal points are flagged in red. [Note: a number of vendors will make paper or plastic stencils that with a stiff brush create impressive lettering.] The hour marks are bright yellow suns enumerated in standard time and offset for longitude. The paint is covered with a clear sealer (Duromar DF-5610 “Solventless, Zero VOC, UV Stable Clear Polyaspartic Topcoat”) plus a bit of "shark grit" (Duromar DuroTrac "Invisible Traction Grit") to roughen the surface a bit to give some traction. This is similar to the approach taken by John Carmichael for the dial he designed at the University of Arizona, NASS Registry #825.

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