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Civil = Sundial + EoT + dLon

where dLon is 4 x nr degrees West of the Time Zone

 
 

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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.

Click on the dial photo or city name to see the full sundial details
Windsor Ontario Canada Noon Mark or Meridian Dial 779
A 12 foot high noon mark dial consisting of two closely spaced triangular vertical plates, a protruding needle and pairs of summer and winter solstice "wings" that together project a shadow onto the surrounding concrete deck within a 40 foot diameter reflecting pool. When the sun totally illuminates the narrow space between the vertical plates, it...
Sterling Virginia USA Gnomonic or Projection Dial 778
A reflection dial using a mirror in an upper window to project a solar image spot onto the west facing vertical interior wall of a church. Copper medallions on the wall show the spot location at 10:30 AM throughout a year and depict the analemma curve.
St. Louis Missouri USA Equatorial Dial 777
A cast aluminum equatorial dial 15 inches in diameter with a rotating, two-part, three-dimensional analemmic gnomon; this is a classic Schmoyer dial completed by Bill Gottesman. One gnomon half is used from summer solstice to winter solstice; time is shown by a beam of light passing through the gnomon slit to fall on the hour ring. The other gnomon...
St. Louis Missouri USA Equatorial Dial 776
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...
St. John's Newfoundland Canada Horizontal Dial 775
A 10 inch diameter heavily cast bronze horizontal dial with bronze gnomon that was apparently replaced or remounted in the past. The dial face includes hour and half-hour lines and Roman hour numerals from 5 AM to 7 PM. The center of the dial face shows a simplified map of the world. The dial sits atop a stone pedestal with a two-part octagonal ba...
Santa Clara California USA Equatorial Dial 774
A 5 foot 9 inch wide cast bronze ring equatorial dial on a low brick mortared pedestal. The full semicircular hour ring has hour, half-hour, fifteen minute and 5 minute marks, and Roman hour numerals. The dial is lightly patinated and has a central gnomon rod with arrowhead.
Reston Virginia USA Analemmatic Dial 773
An analemmatic dial with 8 foot semimajor axis painted on the asphalt playground of the Neil Armstrong Elementary School. Hour marks for 5 AM to 7 PM include longitude correction; Arabic hour numerals for both standard and daylight saving time are shown. The date line is decorated in bright colors with icons symbolic of holidays and seasonal weath...
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...
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 passes through a hole in the upper arm and strikes an analemma with monthly dates on the lo...
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...
Corregidora Queretaro Mexico Gnomonic or 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. The wall is mar...
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. Dial was presented to ...
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 Sphere 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 loc...
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 Sphere 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 EO...
Orosi Valley Cartago Costa Rica Obelisk or Vertical Gnomon Dial 761
A 25 foot long point-in-space or nodus dial. The horizontal dial face is cuartilla (crushed stone). The 8 AM - 4 PM hour lines are red adoquines (bricks) and the noon hour line is lodged between gray adoquines. The dial equinox line is a row of gray adoquines. Solstices are identified by the curve formed by the tips of the hour lines. The gnomon a...
Wynndel British Columbia Canada Cylindrical 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 Sphere 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 T...
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 ...
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. The dial sits atop a cast concrete pedestal sculptured with curves, fronds and cherubs. However the dial may be misaligned from true North. The gnomon angle appears close to...
Victoria British Columbia Canada Horizontal Dial 752
A bronze horizontal dial with hour lines, quarter-hour marks and Roman hour numerals. Dial face includes a central compass rose. The dial sits atop a carved cedar totem depicting an Orca killer whale. The totem is carved in the Coastal Salish tradition by Aubrey LaFortune, a member of the Cowichan Band of native Canadians. The dial was commissio...
Stouffville Ontario Canada Vertical Dial 751
A 42 x 72 inch, 10 inch thick, 3300 pound black granite vertical dial on a 5 foot high steel tube pedestal. Gnomon is a 5/16-inch stainless steel shaft with a dowel-type nodus to mark solar declination. Dial shows EDST with longitude correction. Dial face includes hour and half-hour lines, and equinox and winter and summer declination lines. Dial c...
Solvang California USA Vertical Dial 750
A cast or wrought iron vertical dial about 3 foot square painted black, prominently mounted at the roof line of the Royal Copenhagen Inn. The dial face has hour lines, half-hour marks and Roman hour numerals. The dial in not quite gnomonically correct as the building declines a few degrees west of south and the gnomon appears to be at 45? rather th...
Sidney British Columbia Canada Horizontal Dial 749
A 10 inch diameter horizontal bronze dial with hour lines, quarter hour marks and Roman hour numerals. The dial face includes a central compass rose. The dial sits atop a fluted concrete pedestal. The dial is gnomonically correct, designed for latitude.
Seattle Washington USA Horizontal Dial 748
A 35 foot diameter horizontal dial of concrete and stainless steel with an 8 foot gnomon. Hour marks and Arabic hour numerals are shown on the inner circle and outer ring. A meridian line has markers for solstices and equinoxes, for cardinal directions and magnetic bearings. The dial was constructed using material obtained from Boeing Surplus.
Seattle Washington USA Horizontal Dial 747
A 20 inch diameter cast bronze horizontal dial atop a 30 inch high one-piece stone pedestal. The dial face has cast quarter-hour marks and Roman hour numerals. The dial, built in 1912, has been refurbished and relocated several times and has a new bronze gnomon. Prof. Woody Sullivan and Kurt Kiefer did the last restoration in 2002. Dial times are i...
Seattle Washington USA Cylindrical Dial 746
A unique, 10 foot tall, 2 foot diameter (base) tapered cylinder dial similar to a traditional shepherd's dial except that the cylinder orientation is fixed and the gnomon is rotated about the dial axis by the user to align with the sun. Time is read from the vertical hour and date lines. The dial is fabricated from bronze plate and is hollow. Lines...
Seattle Washington USA Vertical Dial 745
A 12 x 30 foot vertical dial on a brick wall that declines 0.5 deg west of south. The 5 foot stainless steel gnomon tip carries a sheet metal sculpture of an eagle, the school mascot. The hour lines are aluminum strips terminating in Arabic hour numerals. The dial face includes ceramic disks painted by school students and are placed so that the gno...
Seattle Washington USA Vertical Dial 744
A 10 x 18 foot vertical dial on a south-facing brick wall. The hour lines are stainless steel sheet and are formed to create shadow effects that change with the position of the sun. The stainless steel Arabic hour numerals are on disks that are held on the wall by magnets, allowing them to be placed for ST or DST. A stylized school emblem is placed...
Saint John New Brunswick Canada Horizontal Dial 743
A large horizontal dial whose cast metal gnomon is a sculpture commemorating the Canadian National Day of Mourning. The gnomon is supported by statues representing toiling laborers. The surrounding brick courtyard includes bricks marked with Roman hour numerals. The dial sculpture is identified as the Day of Mourning Monument and was dedicated o...
Pocatello Idaho USA Vertical Dial 742
A south-facing vertical dial split into two sculptures separated by a walking path. The dial faces are vertical powder coated steel sculptures with cut hour lines. The gnomons are travertine limestone blocks with the top edges pointing to celestial north. The edges of the gnomon stones cast the shadow onto the vertical dial faces. One dial face sho...
Philadelphia Pennsylvania USA Equatorial Dial 741
An equatorial projection dial with a 12 inch diameter stainless steel equatorial ring incised with Arabic hour numerals that project onto a grooved central support shaft of Cipollino and Carrara marble set on a bluestone foundation. A hole near the top of the central marble shaft emits flowing water that runs down the central groove and is recircu...
Palos Verdes Estates California USA Armillary Sphere 740
A 1.5 meter diameter bronze armillary sphere atop a beige stone pedestal at the center of a 9 meter diameter pond or fountain. The Armillary includes meridian, equatorial and horizon rings as well as Arctic and Antarctic circles. The equatorial ring is perforated with Roman hour numerals and Zodiacal symbols. The central gnomon rod has a ball at th...
Ottawa Ontario Canada Sun Alignment 739
A memorial alignment dial that illuminates the headstone of the Unknown Soldier on Remembrance Day, November 11 at 11:00 AM, commemorating the end of World War I. Remembrance Day is celebrated on the 11th hour of the 11th day of the 11th month of each year. The east-west axis extends to the Peace Tower, while the north-south axis parallels the p...
Oak Bay British Columbia Canada Horizontal Dial 738
A 10 inch square brass or bronze horizontal dial atop a 22 inch square concrete base with cross-shaped plinth 42 inches high. The natural patina developed by the corrosive sea air has reduced the contrast of the markings. Stylized Arabic hour numerals are engraved in circles. Engraved scrolls add interest but some confusion to the dial face. The di...
North Little Rock Arkansas USA Horizontal Dial 737
A cast bronze horizontal dial atop a concrete pedestal. The dial face includes hour lines, quarter hour marks and Roman hour numerals. The dial face includes inscribed (not in original casting) lines that indicate the sunrise and sunset times for the longest day (L-Day VI-21), shortest day (S-Day XII-21) and equinoxes (12-H Day IX-21).
Langford British Columbia Canada Horizontal Dial 736
A cast bronze horizontal dial with thick bronze gnomon. Dial face shows hour lines and quarter-hour marks, and Roman hour numerals. Dial center includes a compass rose.
Tucson Arizona USA Globe or Scaphe Dial 735
A fused silica glass spherical lens projects a solar image spot onto the inner surface of a spherical segment of glass with a frosted area inscribed with hour lines and Arabic hour numerals. Time is read from the bright spot of light on the frosted surface while standing under the dial. Dial is mounted atop a pipe pillar on the patio of the Visitor...
Carlsbad California USA Vertical Dial 734
A large vertical dial on an east-declining south stucco wall of an elevator tower in the parking lot of McClellan Airport. The gnomon, hour and declination lines and Arabic numerals are stainless steel. The dial design is flawed, incorrect for either a point-in-space nodus dial or a polar-inclined gnomon dial. The installed gnomon is horizontal but...
Kalamazoo Michigan USA Horizontal Dial 733
A combination horizontal, vertical, polar and equatorial dial 4 x 5 x 6 foot tall made of drilled aluminum plate with rod gnomon. The vertical plate shows the EOT graph and depiction of Earth showing polar tilt, celestial equator and Earth equator using drilled holes. The bottom plate below the equatorial face includes a compass rose that also show...
Atlantic Beach Florida USA Polar Dial 732
A 12 x 12 inch polar dial of printed plastic. Unlike the typical polar dial, this dial uses point-in-space or nodus gnomons. The dial face is aligned in the polar plane; separate face markings and gnomons show summer-to-winter and winter-to-summer hour and date lines corrected for EOT and longitude. Time and date are read from the shadow of only th...
Asheville North Carolina USA Analemmatic Dial 731
A 16 foot major axis analemmatic dial with stained concrete, hand painted date line. Hemlock branch hour posts were cut by Estate foresters and use iron numerals hand-forged by the Estate blacksmith. The Biltmore Estate was constructed by George Washington Vanderbilt II from 1889 to 1895 and is the largest privately owned home in the United Stat...
Stouffville Ontario Canada Vertical Dial 730
A 46 inch wide by 52 inch high south-facing vertical dial of high density urethane with a 10 mm diameter stainless steel gnomon. Dial face has hour lines with half-hour marks and Roman numerals. Hour lines are longitude corrected. A brass plaque containing the dedication, additional information about reading the dial and an equation of time table ...