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 our complete listing and images. To see sundials in a particular state or province, you may click on the list at left to see all registered sundials in that state, province or country (at bottom) displayed in city order.

 
 
Coeur d'Alene Idaho USA Horizontal Dial 812
In 2013 the city of Coeur d'Alene began a $20M renovation of downtown McEuen Park, a 22-acre expanse, to include a large sundial. But shortly after the renovation started, the city commissioners were told the $51,000 that was to be spent on the sundial was instead to be used to install heavier electrical infrastructure for support of major park events. Fortunately by the end of 2013, the City Staff announced that the sundial was added back to the park's plan, made possible by a $50,000 donation from Parkwood Business Properties.
 
 
Elmira New York USA Vertical Dial 811
The white concrete dial face with surrounding dark red Arabic hour numbers is approximately 2 foot tall by 4 foot wide. The hour angles are clean grooves in the concrete. All are easily visible from ground level. Most striking is the steel gnomon painted bright yellow with an ornate central cut-out of a triangle symbolizing the trinity.
 
 
Elmira New York USA Alignment Dial 810
This solar alignment sculpture called the "Sun Triangle" is made of polished 1/8 inch stainless steel. Its leaning, 10 foot tall pedestal gives the mounted triangle a futuristic look of monumental size, where the tip of the triangle towers 34 feet above ground level. The selected triangle angles are described by the dial plaque, making solar alignments at noon on the equinoxes and summer/winter solstices. There are no line markings or hour indicators on the ground. However, the pedestal is bolted to a buried concrete block weighing approximately 16 tons.
 
 
Oliver British Columbia Canada Horizontal Dial 809
A lovely horizontal dial with an 8-foot high stainless steel gnomon. The hour lines are done as colorful alternating red and cream segments set in a 8-foot radius semi-circle. The gnomon is triangular in cross section with a single thin edge casting the shadow. The dial hour numbers are set for daylight, since all of the winery's 100,000 annual visitors are seasonal, coming when Pacific Daylight Time is in place.
 
 
Dover Massachusetts USA Horizontal Dial 808
The horizontal dial is in the spiral shape of a Nautilus. The dial was originally built in the 1920's and located at Amelia Peabody's Sun House at 145 Powisset Stree in Dover, MA.
 
 
Winterthur Delaware USA Horizontal Dial 807
A bronze horizontal sundial about 18 inches in diameter. The Arabic hour numbers range from 4am to 8pm, with time delineated into half, quarter, and eighth hours. A side photo of the gnomon shows it is set for about 53° and the top-down photo of the dial (corrected for perspective) confirms this. A DuPont purchase in England?
 
 
Winterthur Delaware USA Armillary Dial 806
The 59" armillary is located in the Sundial Garden, designed by Landscape Designer Marian Coffin for Henry Francis DuPont for the family's former tennis court in 1955. It features an antique armillary sundial weighing 70 pounds. It was collected by the DuPont family between 1850-1920.
 
 
Lake Forest Illinois USA Vertical Dial 805
A vertical south-facing dial, simple in design and visible to the shoppers in the U-shaped town square below. The dial face is plane white with Roman hour numbers fastened to a rod bent in an ellipse. No other delineation (such as solstice and equinox lines) is on the dial face. The gnomon is a simple rod held by an "S" shaped support.
 
 
Logan Utah USA Analemmatic Dial 804
Work to design and make the Analemmatic Sundial was done by students of the sixth grade science class and teacher Eric Newell in 2005. The central walkway uses stepping stones sandblasted with the name of the months. John Westenskow's ceramics classes at Mount Logan Middle School made the time stones. Students surveyed and plotted the location of the stones and provided the physical labor to dig holes and pour cement.
 
 
Pennington New Jersey USA Cylindrical Dial 803
This is an adaptation of the dual cylindrical sundial design by Hoffmann Albin of Butgenback, Belgium that provides for two separate dials to be displayed. In this variation, the two dials are separately displayed after being rotated and locked into viewing position every six months on the solstices. Except for two bronze sleeve bearings, all parts are 304 stainless steel that has been glass bead blasted to reduce reflection, machined, welded or laser cut. The analemmal hour lines, equinox and month lines are laser etched into the stainless steel dial plates. The dials and their supporting cradles are 12 gauge with 12" diameters. The post is 1.75" in diameter.
 
 
Round Lake Beach Illinois USA Horizontal Dial 802
This is an octagonal-shaped horizontal dial 240 mm (9.5 inches)across. The photo-etched plate has a central compass rose and delineated with a half hour circle and second circle dividing the time into quarter-hour increments. Roman numerals mark the hours from 6am to 6pm, with an extra hour mark to extend the dial's time-telling from 5am to 7pm. The dial is adjusted for the longitude of the site. Atop the dial face is a sturdy filigree gnomon approximately 5mm wide and 90mm (3.5 inches) high. South of the gnomon is a graphic Equation of Time.
 
 
Mesa Arizona USA Analemmatic Dial 801
This concrete analemmatic dial is set is a larger concrete plaza located in a City park with an overall theme of Sonoran Desert environmental education and nature-based play.
 
 
Magnolia Arkansas USA Analemmatic Dial 800
A 22 by 17 foot analemmatic dial of stained concrete with Arabic hour numerals of polished brass. The dial perimeter and hour numerals are set in a blue decorative polymer "U" arc, appearing as a large mule shoe that represents the university Muleriders mascot symbol. Dial colors represent the royal blue and gold school colors.
 
 
Wooster Ohio USA Vertical Dial 799
A vertical dial on a 15 x 40 foot section of a second story brick wall declining 11° east. The gnomon, hour lines and 7 am to 4 pm Arabic hour numerals are aluminum.
 
 
Georgetown District of Columbia USA Vertical Dial 798
A vertical dial, perhaps one foot square, above the front door of the Georgetown University Astronomical Observatory (the Hayden Observatory). The dial face has Roman hour numerals near its perimeter.
 
 
Cranford New Jersey USA Horizontal Dial 797
A 15 foot diameter horizontal dial with 5 foot high welded stainless steel plate gnomon. The dial face is elevated 18 inches by a white marble-faced platform above a 50 foot diameter concrete plaza that includes inset stainless steel hour line extensions. The dial face is rimmed with Bluestone and has elevated stainless steel hour lines for 4 am to 8 pm and elevated three inch stainless steel Arabic hour numerals. Cardinal directions are marked with elevated 6 inch stainless steel letters.
 
 
Shoreline Washington USA Analemmatic Dial 796
An 8 foot diameter concrete and pebble analemmatic dial with engraved stainless steel inserts for central date line and simple instructions for use. The dial face is raised one foot on a fluted column above the perimeter concrete and stainless steel walkway and has stainless steel Arabic hour numerals for 6 AM, 12 PM and 6 PM. The walkway has stainless steel inserts showing hour lines, magnetic north, true north, winter solstice, equinox and summer solstice directions.
 
 
Seattle Washington USA Vertical Dial 795
A 4 foot wide by 1.5 foot high etched glass plate vertical dial. The gnomon is formed by crossed bars several inches behind the plate and casts its shadow on hour line analemmas. Roman hour numerals for 10 AM to 4 PM are scribed under each analemma; other hours are Arabic. Solstice and equinox lines are scribed across the plate, as are narrow lines at 10 day intervals. Months of the year are scribed about the plate perimeter. A description of the dial is marked on the left side of the plate and the fountains are visible through the plate
 
 
St. Petersburg Florida USA Equatorial Dial 794
A very large bowstring equatorial dial. The outer diameter of the equatorial ring is 26 feet, the height of the meridian ring is 22 feet above the base and the gnomon rod is 26.5 feet long, making this possibly the largest bowstring dial known at this time. The equatorial ring is marked on two faces with large Roman hour numerals for 7 AM to 5 PM. The dial base includes a large compass rose marked with major directions.
 
 
Washington DC USA Horizontal Dial 793
An incorrectly installed but prominently displayed 8 inch bronze horizontal dial with hour, half-hour and quarter-hour lines and Roman hour numerals from 5 AM to 7 PM. The bronze gnomon is inclined from the dial face approximately 42° and the hour lines appear correct for that latitude, though the local latitude is about 39°.