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.

 
 
Phoenix Arizona USA Vertical Dial 772
A dual-vertical cube dial with two 12 inch square dial plates declining 45? south of east and south of west. The east face shows hour lines for 6 AM to 12 PM; the west face shows hour lines for 12 PM to 6 PM. Roman numerals mark three hour lines on each face. The other two faces of the cube hold plaques with EOT corrections and information about its dedication for the Arizona Centenary in 2012. The dial faces and the EOT plaque are ceramic tile, diamond engraved and filled with black grout. The gnomons are thick-profile copper and made small to cast shadows on only the hour lines. The dial is about 5 feet high overall with a stucco-coated pedestal made of concrete blocks resting on a massive, reinforced concrete base
 
 
McDonald Observatory Texas USA Horizontal Dial 771
A monumental horizontal dial on a cast concrete base with a 5 foot high polished granite gnomon. Hour lines radiate from the gnomon root and hour markers with Arabic numerals are placed on a square about the gnomon. Instructions for reading the dial are engraved on the side of the gnomon.
 
 
Bloomfield Hills Michigan USA Equatorial Dial 770
An equatorial dial of cast bronze. The heavily patinated dial has Roman hour numerals IIII through VIII and a cast bronze pointer marked, "DAYLIGHT SAVING." It has an unusual crescent shaped arm with notch at the upper end. The arm is rotated until sunlight through the notch strikes an analemma on the lower inner curve of the crescent. Time is then read on a circular dial from an "hour hand" pointer extending from the base of the crescent. The dial sits atop a marble pedestal engraved, "The A. N. Goddard Sundial."
 
 
Croton-on-Hudson New York USA Horizontal Dial 769
A 13-1/2 foot tall monumental horizontal dial memorial to the victims and responders of the 9/11/2001 World Trade Center terrorist attack. The memorial sundial gnomon is created from an 11000-pound, 14-foot long twisted steel beam once part of the North Tower of the World Trade Center. The gnomon is held at an angle of 41 deg 12 minutes by a 16-ton boulder with inset channel to cradle the twisted steel.
 
 
Corregidora Queretaro Mexico Projection Dial 768
A projection (or, "negative") dial using the south-facing wall and floor of the "Cosmic Room" of a "casa de campo" private cottage. The tile roof over this room contains several skylights with slits for projecting a beam of sunlight onto the wall and one skylight with a small hole to project a dot of sunlight onto the room floor.
 
 
Carbonear Newfoundland Canada Horizontal Dial 767
A 10 inch diameter horizontal bronze dial with engraved nomenclature. Hour numerals 4 AM to 6 PM are Roman; ten minute numerals are Arabic and two minute marks are shown. Minute numerals are engraved in sequence 60, 20, 40, 60. Face engravings include EOT dates, "WATCH FASTER" and "WATCH SLOWER" and a central compass rose.
 
 
Nashville Tennessee USA Analemmatic Dial 766
A 16 x 12 foot analemmatic dial placed in the Experience Center of the 200 acre Ellington Agricultural Center. Dial is built of paver stones flush to the surroundings with painted inset circular hour marker paver stones and rectangular paver stones for the central date line. Directions for use are painted on the date line.
 
 
Annapolis Maryland USA Armillary Dial 765
A bronze armillary dial with meridian, horizon and equatorial rings on a concrete pedestal. Dial is located in Government House residence and requires a tour of the property for access.
 
 
Coalinga California USA Horizontal Dial 764
A 26 inch diameter hand-carved, lacquer-coated beige sandstone horizontal dial set flush in a massive cast concrete pedestal. Dial has a thick stone gnomon, hour, half-hour and quarter-hour lines with Arabic ST hour numerals corrected for longitude. Face is marked with symbols showing sunrise and sunset times on solstices and equinoxes and with location coordinates. Dial face includes a hand carved graphic of a Valley Oak tree, symbolic of the San Joaquin Valley dial location. The dial is embedded in a three foot cube cast concrete pedestal bearing a bas relief image of a horned toad, mascot of the Coalinga High School and the city centennial dates 1906 - 2006.
 
 
Lake Oswego Oregon USA Analemmatic Dial 763
An analemmatic dial with 20 foot major axis, 14 foot minor axis with hour markers and date line made of sandblasted concrete paver stones. A platform stand on the west side holds instructions on using the dial. A preliminary version of this dial was included on the 2009 NASS Conference Sundial Tour.
 
 
Carbonear Newfoundland Canada Armillary Dial 762
A four foot diameter armillary dial built of 1.5 x 0.5 inch flat steel bar and 3/4 inch steel rod. A 1/2 inch steel rod gnomon casts the shadow on an aluminum equatorial ring, which includes hour and 5 minute marks. Dial includes horizon, equator, ecliptic, tropic, Arctic and Antarctic Circle rings. A nearby granite boulder holds a plaque for EOT correction, location and inscription. The dial is a gift to the town from Dr. L. A. Wells and was installed on his 87th birthday.
 
 
Orosi Valley Cartago Costa Rica Point in Space Dial 761
A 25 foot long point-in-space or nodus dial. The dial face is crushed stone. The 8 AM - 4 PM hour lines are red adoquine paving stones and the noon hour line is identified by adjacent gray paving stones. The dial equinox line is a row of gray paving stones. Solstices are identified by the curve formed by the tip ends of the hour lines.
 
 
Wynndel British Columbia Canada Equatorial Dial 760
A ring equatorial dial built inside a cross-sectioned propane LPG tank. The equatorial surface has an inset plaque that shows EOT corrected time and includes declination lines for date shown by the shadow of the nodus on the polar gnomon wire. Dial sits on a granite block pedestal that shows cardinal directions.
 
 
White Rock British Columbia Canada Horizontal Dial 759
A 9 x 12 inch stainless steel horizontal dial with 4 AM to 8 PM hour lines and Roman hour numerals for 6 AM and 6 PM. Dial is set on a 24 inch square capital atop a 30 inch high pedestal of concrete and local stones. This pedestal sits on a 50 inch square concrete base that was saved when the railway was moved in 1984
 
 
White Lake Michigan USA Analemmatic Dial 758
A 20 x 10 foot concrete analemmatic dial with Arabic numeral hour markers for 3 AM to 9 PM. A single central date line is painted on the dial face. Segmented raised seating surrounds the dial; slump stone block pillars mark the cardinal directions. A raised plaque provides dial information and directions for use.
 
 
Waterbury Connecticut USA Armillary Dial 757
A 24 inch diameter armillary with meridian, horizon, equatorial, tropic, Arctic and Antarctic rings. Equatorial ring is engraved with Roman hour numerals. The dial is supported on a narrow 4 foot tall granite pedestal. The pedestal includes a plaque with an EOT graph and is inscribed to indicate the dial is the Class Gift of 2010.
 
 
Victoria British Columbia Canada Horizontal Dial 756
A 12 inch diameter cast bronze horizontal dial with hour lines, quarter-hour marks and Roman hour numerals. Dial face includes a central compass rose with cardinal directions; large characters inscribe RVYC and 1992. Dial sits atop a tapered mortared stone pedestal The pedestal carries two plaques displaying: A GIFT FROM THE MEMBERS OF 1992 TO THE MEMBERS OF 2092 and In Honour and Appreciation of the Visit of the Royal Patron of the Royal Victoria Yacht Club His Royal Highness The Duke of York KCVO ADC June 16, 2003
 
 
Victoria British Columbia Canada Horizontal Dial 755
A 12 inch diameter cast bronze horizontal dial with hour lines, quarter-hour marks and Roman hour numerals. Dial face includes a central compass rose with cardinal directions. The dial sits atop a cast decorative concrete pedestal. The dial is correctly designed for the location and is one of at least seven such dials in the Victoria area.
 
 
Victoria British Columbia Canada Horizontal Dial 754
A 9 inch diameter cast bronze dial with hour and half-hour marks and Roman hour numerals. The dial face has a compass rose at the center with cardinal and ordinal directions. The casting is of poor quality and the gnomon, brazed in place, is bent and at the wrong angle. The sundial is a monument to the Point Hope Shipyard. Engraved on one side is the history of the shipyard, the oldest in British Columbia, renovated and reopened in 2007. The cast dial pedestal is marked, "This newel post was saved from the demolition of St. Mary's Hospital, Victoria.
 
 
Victoria British Columbia Canada Horizontal Dial 753
A 12 inch diameter cast bronze horizontal dial with hour lines, quarter-hour marks and Roman hour numerals. Dial face includes a central compass rose with cardinal directions. Dial sits atop a cast concrete pedestal sculptured with curves, fronds and cherubs. Hatley Castle was the stately mansion for the Dunsmuir family, built in 1908 by James Dunsmuir, whose father Robert had built Craigdarroch Castle in downtown Victoria. This is one of numerous common-design sundials in Victoria.