Sundials of North America

This is a complete 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.

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	Pittsburgh	Pennsylvania	USA	Horizontal Dial	108
	A bronze and well patina circular horizontal dial about 18 inches in diameter. The dial is delineated in 10-minute increments with Arabic hour numbers. Dial sits atop a plain circular column. The gnomon is plain, secured to the dial plate with four bolts.
	Pittsburgh	Pennsylvania	USA	Horizontal Dial	107
	In May of 1914, a beautiful sundial was erected in Schenley Park in memory of the Pittsburgh Blues, a company sent out from Pittsburgh. To remember this event Pennsylvania Chapters including the Keystone Chapter, Old Ironsides Chapter, General Robert Patterson Chapter, and the Stephen Decatur Chapter participated in the famous grave marking ceremo...
	Des Moines	Iowa	USA	Horizontal Dial	106
	This beautiful horizontal brass dial is 24 inches in diameter, cast onto a larger circle 28 inches in diameter. The dial has raised hour, half-hour, and 15-minute lines drawn in esthetic proportions from 5 am to 7pm. Roman numerals are on the outer rim. In the center to the left and right of the gnomon is a table for the Equation of Time in 15 d...
	Ambridge	Pennsylvania	USA	Polyhedral Dial	104
	In the garden of Old Economy Village is a 1964 reproduction of the historic 1825 original keep safety indoors. The 9-inch stone dial has four vertical dials on the E,W, N and S sides and one horizontal dial on top. The replica is in fair shape where the engraved hour lines are now severely weathered. The replica five iron gnomons are in fair condi...
	Oxford	Ohio	USA	Armillary Sphere	103
	A 6 foot armillary sphere sitting on a marble column supported by a ring of turtles. The armillary has equatorial, meridian, polar and equatorial rings, plus the arctic and antarctic rings near the poles. Along the outside of the equatorial ring are golden figures, marking the houses of the zodiac. On the inside of the equatorial ring are Roman ...
	Dayton	Ohio	USA	Horizontal Dial	102
	A circular granite dial about 2 feet (.75cm) in diameter. It has an ornate, very large triangular gnomon of brass decorated with flowers. The dial sits on a sculpted column with spreading base. Protected by brass railing that surrounds the dial. The dial was erected in 1896 to celebrate Dayton's centennial. The dial was moved from its former l...
	Chapel Hill	North Carolina	USA	Horizontal Dial	101
	A 35 foot diameter horizontal dial of terrazzo with inset bronze hour lines and Roman hour numerals. The bronze gnomon edge is 24 feet long and at the tip stands 14 feet tall. In the base of the gnomon is a circular opening, holding a large inset bronze hour glass. In the terrazzo at the dial center is an inset bronze sun graphic with wavy spicule...
	Long Island	New York	USA	Horizontal Dial	100
	A bronze circular horizontal dial about 18 inches in diameter. At the edge of the dial set in concentric rings are the hour lines, half hour lines, quarter hour and five minute marks. Hours are in Roman numerals from 5am to 7pm. Has a thick brass gnomon.
	Ithaca	New York	USA	Equatorial Dial	99
	This 650 pound equatorial has a gear adjustment to rotate the equatorial time ring using a knob on the side of the pillar. This allows correction for the Equation of Time (sun's apparent variability in crossing the noon meridian and enables the instrument to read clock time, making this a very precise instrument. The gearing rusted in 1980 and was...
	Isles of Shoals	New Hampshire	USA	Armillary Sphere	97
	Simple armillary dial about 2 feet in diameter sits on a triangular cut stone pedestal. The equatorial band has raised Arabic numbers at each hour. The hours are adjusted by 42 minutes to correct for zone time. The gnomon is an arrow rod of traditional fashion. The base supporting the armillary is a small hemisphere globe, with a map of the con...
	Worcester	Massachusetts	USA	Equatorial Dial	95
	The equatorial dial is a 6-ft (2m) cylinder segment, approx 1-ft (1m) across. Gnomon is intentionally omitted. Visitor stands centered in the curve of the cylinder and places finger on crossbar as directed. Shadow of finger indicates the time. A prototype was designed by Victor E. Edwards and donated to the EcoTarium (then called the Museum o...
	Collinsville	Illinois	USA	Sun Alignment	94
	At the Cahokia Mounds is a woodhenge discovered in the early 1960's during excavations and has been reconstructed. There are a series of wood posts in multiple circles that indicate various solar events such as the solstices, equinoxes, and what are thought to be special festival days related to the agricultural cycle of the region. Critical post...
	Halifax	Nova Scotia	Canada	Horizontal Dial	93
	Bronze horizontal dial on a granite base. Has Roman numerals showing time noting "Mean solar time in Halifax is 1 hour and 14 minutes behind Atlantic Standard Time."
	Milton	Massachusetts	USA	Vertical Dial	92
	A vertical south facing dial made of painted mahogany with an aluminum gnomon. The dial is in the shape of a shield 3 foot tall by 2 1/2 foot wide, following the seal of the Milton Academy. Around the edge are the hours in Roman numeral. An Equation of Time correction table is now missing, but does not detract from the beauty of the dial. The d...
	Baltimore	Maryland	USA	Polyhedral Dial	91
	Bronze on stone. Renovated 1904 and again in 1994 (by George McDowell.). It is a 17-facet hemispherical compendium dial. Has facets calibrated for local solar time for Baltimore, Jeddo [Tokyo], Honolulu, Sitka, Pitcairn Islands, San Francisco, Cape Cod, Rio Jancito, London, Fernano Po, Cape Town, Jerusalem, and Calcutta. Has a polar and vertical di...
	Frankfort	Kentucky	USA	Horizontal Dial	90
	The Kentucky Vietnam Veterans Memorial features a 7090 square foot plaza with a monumental 86x68 foot horizontal dial of granite slabs with a 14.6 foot high gnomon of welded stainless steel plates. The dial design places the shadow of the tip of the gnomon on each veteran's names on the anniversary of his or her death. MIA names are engraved in...
	Orlando	Florida	USA	Polar Dial	89
	Reconstruction of a 4-sided pillar dial.
	Detroit	Michigan	USA	Armillary Sphere	88
	A 6 foot diameter wrought iron armillary with equatorial and polar rings. Hour numerals are missing. Cast zodiacal signs are present in fair condition on exterior of equatorial ring. Dial is on a decaying brick circular pedestal at the center of a concrete and brick base. Rings are heavily marked with graffiti. The dial sits atop a brick and mortar...
	Quebec City	Quebec	Canada	Vertical Dial	87
	Vertical dial on a board, about 1.5m high by 1 m wide. White with red lettering. It is placed above a doorway on an interior courtyard of the old Seminary, founded in 1663 by Mgr de Laval. The building now houses the architecture school of the Laval University. Although the school and Seminary buildings are private, access is available to the co...
	Stratford	Connecticut	USA	Vertical Dial	86
	Large vertical dial at the Shakespeare Festival Theatre entrance. The dial is formed around a large circular sunburst with Roman numerals at the edge. Gnomon is missing. Dial declines east and is non-functional for this position and location. Above the dial is a shield. The original sundial was a gift of US Time Corp., as Timex was then known....
	Storrs	Connecticut	USA	Polar Dial	85
	Waugh memorial dial. Not oriented on cardinal points. It was rotated to avoid tree and adjacent building shadows. Gift of Mr. & Mrs. Kenneth Lynch Sr., the Alumni Association, and funds raised for the purpose. The stone pillar is 12 ft. high. Constructed by the firm of Kenneth Lynch & Sons.
	Pomfret	Connecticut	USA	Polar Dial	84
	A 22 ft. high stone pillar dial built by William Ross Carpenter as a replica of the famous Charles Turnbull dial of Corpus Christi College in England dating from 1577. The pillar dial, called the Pelican dial, has multiple dials of various types. The Carpenter replica built in 1912 was restored in 1987. Ornate dial furniture with multiple inscri...
	Newington	Connecticut	USA	Horizontal Dial	83
	Bronze horizontal ring, suspended by curved semi-circles, with gnomon rising from the center toward the North. "...you can see resemblances to an anchor, a gimbal, and a mariner's compass" says designer Searle Lansing-Jones.
	San Francisco	California	USA	Horizontal Dial	82
	Built in 1913 as a promotion for a housing development that was once a racetrack, this dial boasted (incorrectly) that at 34 feet in diameter and a gnomon style 28 feet in length, it was the largest known dial in the western world. Nevertheless it gathered much publicity and newspaper articles thanks to the Urban Realty Improvement Co. The compan...
	Aurora	Colorado	USA	Equatorial Dial	81
	A large Erickson Monument equatorial polar dial 6 feet in diameter made of light granite with a 3 inch steel rod as gnomon. The dial was dedicated as part of the bicentennial celebrations in July 1976. Hour lines from 4am to 8pm. Time is graduated by half-hour, quarter hours and 5 minute marks. Designed to be read from the upper surface in Spri...
	San Diego	California	USA	Vertical Dial	80
	This dial was originally owned and installed at Sea World in San Diego but was sold and purchased by Verlyn Kuhlmann. A 39 inch diameter reclining vertical dial of cast concrete with a 20 inch long steel gnomon. Dial reclines about 50°. Includes cast hour lines with Arabic numerals and longitude correction. A separate plaque provides instructions ...
	Huntington Beach	California	USA	Vertical Dial	78
	A 7x8 foot direct south facing vertical dial of wood with metal gnomon on the masonry stucco side of a fire station building. Hour lines are painted on wood planks bolted to the side of the building. Metal Arabic DST hour numerals are mounted to the wood planks. Longitude correction is not included and there is no EOT correction or instructions off...
	Los Angeles	California	USA	Equatorial Dial	77
	A bronze equatorial ring dial with taut wire gnomon on concrete pedestal. Ring is inscribed with hour, ten-minute and minute lines. Plaque states the dial indicates correct watch time so observatory staff periodically rotates clamped ring to correct for EOT, longitude and DST. Dial is located adjacent to the Astronomers Monument atop which is a lar...
	Death Valley	California	USA	Vertical Dial	76
	Prospector and con man Walter Scott convinced Chicago millionaire Albert Johnson to invest in his gold mine in the Death Valley area. The mine was a fraud, but Johnson began building his Spanish Revival Villa in 1922 that continued until the stock market crash of 1929. Martin de Dubovay was the architect, Mat Roy Thompson was the engineer and head ...
	Tempe	Arizona	USA	Equatorial Dial	75
	An equatorial dial designed by R. Newton Mayall with a "curved triangular gnomon over a curved face approximately 12-in (.3m). wide. Tells the day of the year and standard time noon." Has a plaque explaining the Equation of Time.
	Seattle	Washington	USA	Analemmatic Dial	74
	27-ft (8m) circle containing a fanciful analemmatic dial made of bronze and concrete with countless embedded items. Seattle Sundial Trails notes "It requires more than a casual look to recognize the paving that tops Kite Hill as a sundial. At first glance, it seems as if the high tide washed over a bed of fresh concrete, leaving lots of marine cre...
	Johnson	Vermont	USA	Horizontal Dial	71
	One of Kate Pond's first dials, a winning design for an 18 foot diameter dial that now resides on the University of North Vermont - Johnson green. Concrete, Stainless Steel. On the ground concrete paths mark the N-S and E-W axes. The gnomon is a 3 inch stainless steel pipe 9 feet long attached to a concrete base. The hours are marked with 1 fo...
	Houston	Texas	USA	Horizontal Dial	68
	Monumental size sundial with a black granite gnomon shaped as a tetrahedral with a small silver ball nodus at the peak. The 12 foot gnomon has a slope of 29.72 deg matching the latitude of Houston. The dial face is white granite with black granite stripes for hour lines, each marked by Roman numerals.granite stripes for hour lines. Along each hou...
	Amarillo	Texas	USA	Obelisk or Vertical Gnomon	67
	The Centennial Time Tower begins as a tetrahedron of stainless steel pipes each 18 feet long. Then a central pipe towers to the sky, giving an overall height of about 50 feet. The Time Tower is situated on a circle about 100 feet in diameter. The dial was erected for the hundredth anniversary of the discovery of Helium. Each individual pipe is a...
	Trois Rivieres	Quebec	Canada	Vertical Dial	66
	A declining vertical dial approximately 6 feet wide and 8 feet tall of painted wood. Diol declines 58? west of south. Dial includes a two-lined analemma noon mark that shows noon corrected for EOT. Hour lines with Roman numerals show local time from 10 AM to 7 PM. Dial is located about 30 feet high on a wall, above an alcove with a statue of the Vi...
	Oberlin	Ohio	USA	Sun Alignment	63
	When is a flag pole more than a flag pole? When it has cement walkway curved for the summer solstice, a path for the winter solstice and a distinguishing straight cement line for the spring and fall equinox. This dial has no hour markers, and is intended to show the seasons. The tip of the flag pole will follow these lines at the appropriate day...
	London	Ontario	Canada	Heliochronometer	62
	A brass Pilkington-Gibbs heliochronomer aligned to the celestial equator. Rotate the helioscope until the sun shines from the upper hole to the lower plate, then read the time from an accompanying dial. The Pilkington-Gibbs dial includes a patented cam mechanism to adjust for the Equation of Time.
	Great Falls	Montana	USA	Equatorial Dial	61
	A monumental bow-string equatorial dial of curved 4x6 inch welded steel I-beams forming a 14 foot diameter equatorial arc. Stainless steel Roman hour numerals 5 AM to 7 PM are welded to the arc. Metal for the dial was once used at Rainbow Dam and was formed and welded at Rainbow Powerhouse. This dial was the inspiration of Gary Trescott, a River...
	Rochester	New York	USA	Equatorial Dial	60
	A large 40 foot equatorial dial. The dial band is about 5 feet wide with raised Roman numerals at each hour mark. The gnomon is a rod approximately 15 feet long, ingeniously suspended by wires at the center of the dial. No shadow of the support wires can be seen, just the line of the gnomon appears on the dial band.
	Highland Park	Illinois	USA	Horizontal Dial	55
	A cast bronze horizontal dial with hour, half-hour and quarter-hour lines and Roman hour numerals for 5AM to 7PM. Dial face symbol depicts a winged hourglass.
	St. Louis	Missouri	USA	Vertical Dial	54
	This modernistic vertical south declining dial was designed by Mel Meyer and installed in 1989. The dial is an 8 by 10 foot stainless steel sundial with ribbed hour lines. No numerals are used. The gnomon is a solid triangle 3.5 inches wide by 85 inches high.
	Brunswick	Maine	USA	Vertical Dial	53
	A set of three declining vertical dials each approximately 3x4 foot of carved Indiana Limestone set into the east, south and west facades of Hubbard Hall. Dial faces include hour lines and Arabic hour numerals. Each bronze gnomon rod is additionally supported at its end. The dials are not corrected for longitude and there is no EOT correction provi...
	Gaithersburg	Maryland	USA	Polar Dial	51
	Briggs Commemorative Sundial. One of the more complex and elaborate ones in the US. The dial plate lies parallel to the earth's axis of rotation. The dial has three gnomons. The upper and lower point out Eastern Standard time, the middle one indicates local apparent (solar) time throughout the year. A copy of the brochure is in the NASS Archives.
	Stow	Massachusetts	USA	Vertical Dial	48
	The dial was originally high on the south gable of a stone building called the Apple Barn that was located on the grounds of Stow's Center School. Extensive renovations and new buildings were done in 2010 and the Apple Barn itself had to be demolished. The dial was moved to the south-facing wall of the new school's southernmost wing. The dial has...
	Heber City	Utah	USA	Cylindrical Dial	47
	A 10 inch wide, cylindrical-segment equatorial dial 8 inches high, fabricated from a section of large PVC pipe. The dial face is aluminum sheet bonded to the PVC pipe and marked by photochemical engraving with hour lines showing analemmas to correct for EOT; hour lines are corrected for longitude and show both standard and daylight saving Arabic ho...
	Cambridge	Massachusetts	USA	Vertical Dial	45
	Painted Dial
	Foxboro	Massachusetts	USA	Vertical Dial	43
	Very large vertical dial mounted above the entrance to the Foxboro Research Center. With solstice and equinox lines and a noon analemma.
	Danvers	Massachusetts	USA	Vertical Dial	42
	An east- declining vertical wood dial above the main doorway of the Rebecca Nurse House. Rebecca Nurse was a victim of the Salem witch trials in 1692. The House was restored in 1909 and it is believed this dial was added at that time; there is no evidence the house originally had a sundial.
	Boston	Massachusetts	USA	Vertical Dial	41
	Once high on east facing wall of the Old State House, was a vertical declining sundial originally built in 1713. The 6x4 foot dial was just above the third story window. It was restored by R.N. Mayall in 1957. But the background became a faded blue and hour lines were hard to see. At least the Roman numerals along edge were clearly visible. In t...
	Andover	Massachusetts	USA	Armillary Sphere	40
	A very large and ornate armillary sphere, approximately 8 feet in diameter. Sculpted by Paul Manship in 1928 and cast by Alexis Rudier Fondeur in Paris. The armillary has large figures inside the sphere at the base and the equatorial circle has signs of the zodiac in raised metalwork. The dial sits atop a well proportioned light granite pillar tha...