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  1. Sundial - Wikipedia

    The Tower of the Winds in Athens included both a sundial and a water clock for telling time. A canonical sundial is one that indicates the canonical hours of liturgical acts, and these were …

  2. Sundial | Definition, History, Types, & Facts | Britannica

    Sundial, the earliest type of timekeeping device, which indicates the time of day by the position of the shadow of some object exposed to the sun’s rays. As the day progresses, the sun moves …

  3. How a Sundial Works (And Why You Need One in Your Backyard)

    Feb 19, 2024 · Building a sundial in your backyard may be an enjoyable and instructive hobby. Here is a tutorial to assist you in creating your own makeshift sundial:

  4. Sundials: Where Time Began - Farmers' Almanac

    Nov 8, 2023 · A sundial is one of the most common decorative ornaments seen in flower gardens today, providing quiet, aesthetic beauty as it peeks out from the rose bushes and hydrangeas. …

  5. View All Sundials

    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 the full dial listing and images.

  6. A beginner's guide to the garden sundial - The Hoarde

    It was the Egyptians that came up with the first sundial in 1500 BCE. Their shadow clock used the changing position of the sun to indicate the time of day. Later, the Greeks and Romans made …

  7. EAAE - How does a sundial work?

    A sundial is a device that measures time by the position of the Sun. In common designs such as the horizontal sundial, the Sun casts a shadow from the gnomon, which is a thin rod straight …

  8. How to Read a Sundial: 11 Steps (with Pictures) - wikiHow

    Mar 10, 2025 · Sundials have been used to measure time, based on the Sun, for thousands of years. This simple device can be made up of nothing but a flat dial and a gnomon (the …

  9. History of sundials - Wikipedia

    After the invention of the clock, the sundial maintained its importance, as clocks needed to be reset regularly from a sundial, because the accuracy of early clocks was poor. A clock and a …

  10. How Does A Sundial Work? - Sciencing

    Sep 6, 2019 · A sundial uses the movement of the sun to keep track of time. There are several varieties, but one of the most basic consists of a thin rod or triangle -- called a gnomon -- and …