Sundials of North America

This is a listing of sundials in the North American Sundial Society Registry. The ordering can be changed using the box above. Or you can search for a dial by number, city, state/province, or type. You can also find sundials in a particular state/province by clicking on the right-column list of state/province names.

Click on the dial photo or city name to see the full sundial details

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Hamilton Ontario Canada Analemmatic Dial 341
Construction of the dial and garden was supported by the Richard and Jean Ivey Fund of London, Ontario. An analemmatic dial about 25 feet wide with stone markers and metal numbers.
Halifax Nova Scotia Canada Armillary Sphere 343
This armillary sphere, made of steel and brass, is approximately 2 meters tall. The dial is the result of a collaboration between students from the 1997 Industrial Engineering class of the Technical University of Nova Scotia (now called DAL TECH) and a local shipbuilding firm who did the construction. The theme of industrial engineering is reflec...
Boise Idaho USA Equatorial Dial 344
Equatorial dial 5 ft high, 6 ft. wide and 4 ft. deep. The dial was designed by Pete Swanstrom, built and donated by JST Custom Fabrication Inc. of Boise. The gnomon is of unusual design with a central pivoting elliptical plate and analemmatic cut out. The analemma is marked with 365 individual date marks. Shadow falls on equatorial ring with ho...
Greenwich Connecticut USA Horizontal Dial 345
Large horizontal dial is 130 ft. diameter and uses 15 hour stones to mark the time. Dial designed by Shope Reno Wharton Associates and built by sculptor Mark Mennin of Bethlehem, CT. The striking gnomon is a bronze tapered spike 8 in. at the base and 35 ft. 2 in. in overall length set in a 4 ft. bronze web, producing a 20 ft. high tip above the av...
Ypsilanti Michigan USA Horizontal Dial 346
The original horizontal dial and gnomon of 1909 was cast in iron as a gift from the Class of 1908 (then known as the Michigan State Normal School ). This dial is now in the EMU archives.[See NASS Dial #1086] The current sundial was placed in the same spot in front of Serzer Observatory in the 1960's, but went missing after a broken gnomon was sent...
Salt Lake City Utah USA Obelisk or Vertical Gnomon 347
A 24 foot tall azimuth dial in a complex sculpture comprising a light projection gnomon within a 36 foot diameter base with numerous additional shadow-casting structures. The "Asteroid Landed Softly" sundial sculpture was created in 1993 by architect Kazuo Matsubayashi. The sculpture symbolizes the concepts of space and time: space as a large bould...
Santo Domingo Distrito Nacional Dominican Republic Polar Dial 348
At the upper end of a tapering pillar is a rock cube with vertical dials on two faces. The dial was erected during the administration of Francisco Rubio y Pernaranda around 1753 in front of the Governor's Palace and was used during the centuries of Spanish rule as the official marker of time. An equatorial dial was placed on top of the cube pro...
San Juan Puerto Rico USA Vertical Dial 349
A round pillar supports a rock cube with vertical dials on all four faces. This is one of the oldest in the Americas, erected by the Spanish around 1645 during the rule of Fernando de la Riva y Aguero. The vertical dial cube was crowned with a weather vane on top. This sundial was the first to be installed in the Antilles and was probably the sec...
Banica Distrito Nacional Dominican Republic Vertical Dial 350
A small pillar dial with a vertical dial on one face. The dial markings sit below a triangular crown inscribed with the date MDCCVC, showing 1795 as the year it was carved. Today, the bottom portion of the pillar appears to be reconstructed and the gnomon is missing.
Enid Oklahoma USA Equatorial Dial 351
A striking stainless steel equatorial dial 6 ft tall, 4 ft wide, and 6 ft deep. The equatorial ring is more than 2 ft wide. The dial can be used as a simple equatorial dial, reading the hour from a shadow cast by the steel wire gnomon aligned to the polar axis. However a bead nodus located in the middle of the wire casts its shadow onto the equ...
Augusta Georgia USA Analemmatic Dial 353
An elegant analemmatic dial approximately 12 feet long laid in granite into the brick Riverwalk esplanade. The hours are Roman numerals set in an elliptical ribbon. The hour marks extend from 6am to 8pm and are offset for daylight saving time as well as a 28 minute longitude correction, The walkway is nicely marked, and at the base has the outli...
St. Louis Missouri USA Horizontal Dial 354
A horizontal dial sculpture called "Child Sundial" depicts a daydreaming child figure playing with a sundial gnomon that is part of a working sundial. The gnomon is about 5 1/2 inches high and the hour lines are adjusted to show standard time in St. Louis. The sculpture and dial are at ground level surrounded by a bed of creeping thyme, perhaps a g...
Flemington New Jersey USA Horizontal Dial 355
Horizontal dial with an intricately hand cut stainless steel gnomon with a cast bronze dial face. The shadow casting style is the lower edge of the large gnomon. A second short gnomon indicates solstice and equinox dates. Dial sits atop a 700 lb stone pedestal base.
Durham North Carolina USA Noon Mark or Meridian Dial 356
Called "Gnomon", this large sculpture consisting of two monoliths made of steel-reinforced concrete slabs laid nearly next to each other along one edge. This produces a thin slit between them,with both leaning against a third slab. If one could look down on this from an airplane, it appears as an arrowhead pointing south. At local noon, sunlight pa...
Columbus Ohio USA Sculpture or Artwork 357
"Hora Novem" An unusual 'solar calendar water sculpture' incorporating water jets which converge at center of a 17ft equatorial ring.
Sudbury Ontario Canada Armillary Sphere 359
A monumental half armillary dial in stainless steel. At one end of 'Polaris Boulevard' which includes Terra, a segment of the globe oriented with Sudbury directly at the top. Celeste is a giant (12.8 meter or 42-foot) stainless steel sundial located at the south end of Polaris Boulevard. It consists of two arches, one which represents the equator i...
DeLand Illinois USA Polar Dial 360
Granite four-dialed pillar about 5 foot high, possibly dating from the mid 17th century. Purportedly found in 1650 in Tinturn, Monmouthshire, England, and consistent with the dial latitude of 52 N. Dial face is 18 x18 inches. Gnomons on both east and west sides are turned off its original declination. A gift from Robert H. Allerton. The dial is ...
Charleston South Carolina USA Vertical Dial 361
A 20-ft (6m) high stone monument with a 2-ft (0.6m) side at the base holds a vertical reclining sundial. The monument at the base includes stones from the thirty-eight home states of those lost at sead during the collision of the USS Hobson (DD-464) and USS Wasp (CV-18). Embedded in the in the monument is a bronze arrow, pointing to the unmarked gr...
Toronto Ontario Canada Equatorial Dial 364
The face of this equatorial dial is an arc of a sphere 2 meters in diameter. A nodus on the polar gnomon casts a shadow indicating solar declination. Aligned with the dial is a 15 meter meridian line which passes through the site of the transit instrument of the former Toronto Observatory.
Westminster Vermont USA Horizontal Dial 365
This whimsical dial looking like a cut-out face is actually an East and West Vertical dial and a Polar dial. It stands about 4 feet high, and is built out of 1 inch steel plate fabricated in Windsor VT and installed on the Westminster West School grounds on a buried concrete pier. Near noon, a beam of sunlight shining through an "ear" indicates t...
Dummerston Vermont USA Hours to Sunset Dial 366
This 4 x 8 foot vertical dial declines 8.4° west of south and displays "Italian Hours". Located on the southern gable of a hanger along a grass strip airport (fondly called the "Dummerston International"), the dial serves to tell pilots how many hours remain before sunset. The dial is painted board with vinyl lines, letters and numerals. A sig...
Casper Wyoming USA Horizontal Dial 367
The horizontal dial is a bronze circle 13.4 inches in diameter with raised lines and numbers and mounted on an iron plate on a pedestal of green stone. The angle of the gnomon is roughly 20 degrees, and the hour lines are designed for a latitude of about 22 deg, clearly not designed for Casper's latitude of 43 deg N. See "Sightings" in NASS Comp...
Denver Colorado USA Vertical Dial 368
On the southwest side of the Emerson School Building (now an office building and historic landmark) is a large white stone vertical dial with a stone gnomon. The large stone dial is part of the original brick building erected in 1884. Local history holds that the original architect was somewhat staid and stuffy and only agreed to include the sund...
Reston Virginia USA Horizontal Dial 369
A modernistic seven foot diameter flagstone horizontal dial with hour lines. The design features a gnomon of folded stainless steel plate. Gnomon is truncated too short for shadow to reach edge of dial face. See "Sightings" in NASS Compendium Vol. 6 No. 4, Dec 1999.
Guelph Ontario Canada Horizontal Dial 370
On the Sunnyside Estate front entrance is a small horizontal dial on a white pedestal surrounded by a flower garden. The original of this sundial is reputed to be the one that was mounted on the stump of the tree felled by John Galt in his ceremonial founding of Guelph on April 23rd, 1827. The original dial and pedestal were carved from Guelph li...
Denver Colorado USA Horizontal Dial 371
The horizontal stone dial face is about 45 inches across, and is raised eight inches above ground level. It is inscribed with hours from IV to VIII. The dial was created about 1974 in memory of Persis McMurtrie Owen, who designed the west herb garden of the Botanic Gardens in 1964. See NASS Compendium Vol. 6 No. 2, June 1998
Bowie Maryland USA Vertical Dial 372
A small vertical stone dial with a weathered wood gnomon is mounted with iron brackets to the wall of Sacred Heart Chapel. The dial is about 26 inches wide by 16 inches high. The inscribed longitude of 00 deg 20 min East is correct for the United States Prime Meridian which goes approximately up 16th Street in Washington DC. In 1853, fire destroy...
Hollywood Maryland USA Horizontal Dial 373
A 26 inch hexagonal, English-made slate horizontal dial with a 3/8-inch thick, knife-edge bronze gnomon and no noon gap. Dial face has hour, half-hour and quarter-hour marks in inner bands, and 3-minute marks in the outer band. Hours are marked with Roman numerals. The dial sits on a hexagonal pedestal carved with coats-of-arms of families that li...
St. Mary's City Maryland USA Equatorial Dial 374
Cement half-cylinder acting as an equatorial time ring with an inside radius of about 18 inches and a concrete gnomon 5 inches thick that looks more like a piece of lumber set on edge than a gnomon. There is no nodus such that the gnomon shadow is a straight line on the wide equatorial band. The cylindrical inner face is stainless steel with an e...
Hibbing Minnesota USA Equatorial Dial 375
An 8 ft high equatorial sundial designed and built by David Aho. Made of welded stainless steel with a brass gnomon and brass equatorial arc dial. The 60 inch diameter equatorial dial is engraved.
Lafayette Indiana USA Equatorial Dial 376
An 8 foot high equatorial dial of welded stainless steel with a brass gnomon and brass equatorial ring. The 60 inch diameter equatorial ring is engraved with hour marks and Roman numerals. Dial was commissioned by the cities of Lafayette and West Lafayette in celebration of the Millennium. Dial sits atop a short concrete pedestal.
Highland Park Illinois USA Polar Dial 377
This cast iron polar dial is centered in a 7 foot diameter, echoing the form of a "train wheel", matching the theme of a small park situated between a historic train station on the ancient Green Bay Trail and a pioneer cemetery. The polar dial has raised hour lines on the cast iron plate. Designed by Stephen Luecking and built at St. Mary's Foundr...
Westminister Vermont USA Polar Dial 378
A large shadow plane approximately 10 ft across with a nylon cord for a gnomon. Hour points are painted on the dial. To read local apparent time on this sundial, the user must hold the gnomon cord taut and move until its shadow falls across the center of the dial. The entire dial lies south of the cord's point of attachment.
Ypsilanti Michigan USA Vertical Dial 379
A 10x15 foot vertical wall dial mounted on a stucco wall. The dial is tile with an aluminum gnomon. This dial atop Sherzer observatory has been relined and renumbered several times. The dial has a brass gnomon. The newer campus landmark is visible from as far away as Wasahtenaw Avenue. The dial was designed and built by Thad Weakley as an ind...
Villahermosa Tabasco Mexico Horizontal Dial 380
A "Gnomonicon", or multi-indication dial, made of concrete, aluminum, brass and copper. The dial stands approximately 5 feet high and has multiple solar time dials in many orientations plus a flat equatorial, a concave equatorial, a revolving equatorial and a rare spherical dial. Also a solar calendar and representations of the ecliptic and the z...
Milwaukee Wisconsin USA Vertical Dial 381
A direct south cast or wrought iron vertical dial on a brick building.
Syracuse New York USA Armillary Sphere 382
A 10 foot 2 inch diameter armillary sundial made of black anodized steel. The equatorial band is created by two narrow bands holding in open space 10-inch gold colored Roman numerals to grace each hour from 6am to 6pm. The gnomon is a traditional rod with gold arrow and tail flute. The armillary has arctic and antarctic circles, and a prime vert...
East Lansing Michigan USA Analemmatic Dial 384
This garden analemmatic dial uses plants to mark time with plants selected to demonstrate bio-rhythms by their daily opening and closing at different times. Four-o'clocks are planted at the 4 block. Magic evening primroses 'Tina James' encircle the area. Flowers open in 15 seconds to the sunlight, quite a spectacular sight! Also planted here ar...
Dallas Texas USA Horizontal Dial 385
This is large horizontal dial with a 20-foot-long polar gnomon that rises obliquely from the center of a 34-foot-diameter circle. The hour lines are embedded in the terrazzo pavement showing hour marks and quarter hour ticks. Hour labels (standard time 6-7 and daylight-saving time 7-8) are etched into 12-inch diameter stainless steel plates, each t...
Jackson Mississippi USA Horizontal Dial 387
A large, 4-foot (1.2m) brass horizontal dial with clean lines. Time is marked in quarter hours from 5AM to 7PM. Hours are in Roman numerals. Dial sits in the middle of an octagon dais supported on a square concrete block. The gnomon is a simple blade, but the engraving on the dial says "Lat 39.3 N" and is clearly wrong. The dial honors Billy Ji...
Guaymas Sonora Mexico Equatorial Dial 388
Dial is of stone, carved in a thick semi-circle ring about 200 degrees in extent. Dial is 36 inches in diameter and 10 inches thick. The inner rim of the dial is a "vee" shape. The gnomon is an iron rod protruding from the equatorial ring at the 12-hour mark, and at the center of the ring turns at a right angle to align to the north pole. The ma...
Bumble Bee Arizona USA Horizontal Dial 389
Horizontal dial approximately 10 feet in diameter. Made of concrete and granite. Commemorates Arizona Dept. of Transportation employees who were killed in the line of duty.
Branford Connecticut USA Equatorial Dial 390
This large equatorial dial was created as part of a community effort to establish a Natural Habitat park for the town of Branford. The dial is 7 x 6 x 6 feet made of Stony Creek granite and stainless steel, weighing 13,000 pounds. The granite is indigenous to the town. The face of the stone is cut at approximately 41 degrees to match the site l...
Lloydminster Alberta Canada Horizontal Dial 392
At 197 feet in diameter, this is one of the largest horizontal dials in North America. It's location is on the 4th meridian at 110:0 west, a line that separates Alberta and Saskatchewan and divides the city of Lloydminister in half. The gnomon is constructed from 8 inch black schedule 40 - carbon steel pipe that is painted yellow. It is 23 feet ...
Fort Union New Mexico USA Horizontal Dial 393
A 2 foot square stone horizontal dial on a four foot high stone pedestal with vertical dials on its faces. This dial has been removed, replaced and relocated several times. The original gnomon was lost and replaced with an incorrect 45° gnomon, which has been replaced again with a steel gnomon that appears to be at slightly less than the correct l...
St. Francesville Louisiana USA Horizontal Dial 394
A small 9 inch diameter brass horizontal dial sits on top of a cast iron pedestal. The dial face is worn, but readable with Roman numerals and 5-minute graduations. The dial plate is rotated about 40 degrees east of North. To the south of the gnomon is a 2 1/2 inch diameter mirror with unknown use. On left and right of the gnomon is scroll engr...
St. Louis Missouri USA Vertical Dial 396
A vertical decliner at the top of the Cupples I building. Given by the class of 1908. Can be seen from the courtyard of Robert S. Brookings building. In 1908 the campus newspaper, the Washington University Student Life, commented that "The new sun dial on Cupples I is now being put into position upon the tablet on the south side of the building?It ...
Fredericton New Brunswick Canada Vertical Dial 397
A vertical declining dial 7 x 7 feet with parged cement face and 5 foot wrought iron gnomon. Plaque on wall reads "The sundial at the top of this wall is a faithful reconstruction of the original which Frederictonians used during the 1800s and early 1900s. The shadow cast by the gnomon (style) onto the dial accurately displays local apparent sola...
Centerport New York USA Vertical Dial 399
The vertical dial is a very colorful wall mural with a nautical theme. The wall faces south west with Roman numerals for hour marks. The gnomon is Neptune's trident supported by a very small three dimensional serpent. Summer and Winter solstices and Equinox are drawn on the dial. Above the dial is a mural of the four winds blowing. There is an ...
Highland Park Illinois USA Analemmatic Dial 400
A nicely done analemmatic dial approximately 15 feet across with a grey granite zodiac walkway. The granite walkway has a central line, crossed with month marks for standing at the date of the year. An unusual feature of the dial is that the Equation of Time (EoT) correcting solar time to civil time is given at the left and right edges of the dia...