Question

what are some ancient time measuring devices.

Answer 1

Sundials , Ancient Egyptian obelisks, etc are ancient - time measuring devices.

Sundials and Obelisks. Sundials have their origin in shadow clocks , which were the first devices used for measuring the parts of a day.The oldest known shadow clock is from Egypt, and was made from green schist Ancient Egyptian obelisks , constructed about 3500 BC, are also among the earliest shadow clocks.