Sundials - World's Oldest Clocks

North American Sundial Society

Selected Sundials of Indiana

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Bloomington Indiana USA Horizontal Dial 38
A small horizontal dial, about 18 inches in diameter. The dial plate is tilted 2 deg to the horizon to allow water run-off. However, more unusual is the base that contains a hand crank connected to a scalloped drum that tilts the entire dial to adjust for the Equation of Time. The drum is rotated to the current date and the drum edge pushes a cam that tilts the plane of the horizontal face so that standard time is indicated to within half a minute. The dial is actually mounted on an equatorial axis. Since 1979 the dial has gone into a state of disrepair and is overgrown by bushes. In July 2011 it is reported that the adjusting knob no longer works to tilt the dial.
Bloomington Indiana USA Horizontal Dial 336
A 24 inch octagonal horizontal dial probably made of marble. The dial is plain, with Roman numerals at the end of hour lines. The gnomon is a simple open triangle of well aged brass. The base is an octagonal pillar surrounded by flowers. The dial was struck by a falling tree in spring 2011. The gnomon style is broken and bent and the support has several large cracks. The falling tree also damaged the surrounding fence.
Bloomington Indiana USA Vertical Dial 728
An approximately 4 foot square, limestone south-facing vertical dial with a bronze gnomon. Dial face has hour lines and half-hour marks with Arabic numerals. Tall trees shade the dial most of the day.
Columbus Indiana USA Horizontal Dial 674
A 10 foot diameter horizontal dial of concrete, stainless steel and brick. The gnomon is a massive concrete structure and the Arabic hour markers are inset in the concrete dial face, which serves as a bench.
Columbus Indiana USA Vertical Dial 675
An approximately 10 x12 foot brick and stainless steel south-facing dial atop a 50 foot tower. This resembles an actual vertical dial but has a horizontal gnomon rather than a polar-pointing gnomon. The hour lines verify against ZW2000 software calculated angles for a due south dial but are non-functional with a horizontal gnomon. Dial face includes hour lines for 6 AM to 2 PM but no numerals. It's more sculpture than sundial.
Fort Wayne Indiana USA Horizontal Dial 677
A 15 foot diameter stone and cement horizontal dial with a painted steel gnomon. 6 AM to 6 PM hour markers have Arabic numerals. Interior area of dial is filled with crushed rock. A plaque provides EOT and longitude corrections and instructions. This dial was an Eagle Scout project built for this elementary school for use in science lesson plans. Dial sits within a two-course stone perimeter pedestal.
Indianapolis Indiana USA Horizontal Dial 276
A stainless steel and concrete vertical structure 33 feet tall. A stainless steel triangular tube, upright, with triangular and trapezoidal cut-outs, placed in the center of a concrete circle, with a sundial face but may not be functional.
Indianapolis Indiana USA Sculpture Dial 305
Bronze Sundial, Boy with Spider Gnomon wire is broken but present as of 2/2014.
Indianapolis Indiana USA Equatorial Dial 220
A five foot diameter donut-shaped full circle equatorial pierced by equally massive Indiana Limestone shaft as gnomon. Hour numerals are Arabic. Subdivided into 15 minute increments. EOT is given. Made my David Rogers in 1987 and reported to be Indiana's largest equatorial dial.
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.
Muncie Indiana USA Equatorial Dial 782
A 9.5 inch wide bowstring equatorial dial built using the aluminum photo drum of a xerographic copier machine. The gnomon is stretched fishing line. Hour lines and numerals are marked by lead pencil and include 5-minute marks. The hour ring can be rotated to set for standard or daylight saving time and the elevation angle is adjustable. The dial is mounted on the deck railing of a swimming pool. This dial is located in a private home. Viewing can be arranged by contacting the owner by email at or by telephone at 765-289-5890.
New Albany Indiana USA Vertical Dial 704
A 15 foot wide vertical dial declining 35? east of south on the brick face of a commercial building. Dial face has Roman numerals without hour lines.
New Harmony Indiana USA Vertical Dial 620
A historic wood and iron vertical dial 34 inches wide x 42 inches high x 1-3/4 inches thick. This original Harmonist dial was made in 1821 by the Harmonie Society, a group of Lutheran separatists from Germany who settled in the US in the early 1800's. The original dial hung on a private house; when fire destroyed the house in 1844, the dial was rescued and placed on the south wall of Community House 2, located across the street from the destroyed house. A modern replica (similar at least) now is placed on the exterior wall and the original historic dial is on display inside and can be seen on a daily tour.
South Bend Indiana USA Combination Dial 710
A combination horizontal dial with nodus on its gnomon and a meridian projection dial located below. Horizontal dial face is 44 inches diameter and made of polished Chinese gabbro basaltic rock, reflecting clouds overhead and gnomon shadow, which shows location of solar noon on gnomonic projection map of the world on dial face. Gnomon is supported by curved triangular bronze arches. Gnomon nodus shadow shows location on map where sun is directly overhead while solstice and equinox lines indicate date. Hour markers show EDST by Roman numerals with ten minute increments by Arabic numerals and marks for one minute. Dial is supported on an octagonal limestone pedestal with French Gothic cathedral window design allowing viewing of meridian dial date line. Meridian dial is placed below the octagonal limestone pedestal whose French Gothic cathedral window design allows the noon date line to be seen. The date line is illuminated only at noon by sunlight passing through a slit orifice that extends 2/3 the way up the pedestal wall, indicating dates between summer and winter solstice by the end of the end of the bar of light. The entire combination dial sits on a plaza inlaid with three types of granite to form a 32 foot diameter compass rose, with sunrise and sunset times shown for sixteen dates special to Notre Dame University.
Terre Haute Indiana USA Calendrical Dial 586
Via Solaris, a 20x15x4 foot granite, stainless steel and bronze calendrical dial showing yearly equinoxes and summer solstice.
Terre Haute Indiana USA Horizontal Dial 685
A round bronze horizontal dial with 6 AM to 6 PM hour lines and half-hour lines and Arabic hour numerals. Eight perimeter points and the one central decorative point may represent alignments but no explanation is given. Dial sits on a carved stone column. Base marked 1920 1921 1922 1923.
Vincennes Indiana USA Horizontal Dial 687
a 14 inch diameter cast metal horizontal dial with 15 minute hour lines and Roman hour numerals. Sunrise and sunset times at solstices marked by additional lines. Dial face includes grim reaper figure. Hour lines and gnomon may be designed for different latitude; this may be a commercial dial but it is clever and unrecognized if so. Dial sits on a square tapered marble pedestal with stepped square bases.