Okay, I have a slight hunch about what story this is (To Build a Fire by Jack London?) and if so, then D
I just read the manual. I believe it is all of the above. Good luck on your test, and may the odds be ever in your favor.
The first devices used for measuring the position of the Sun were shadow clocks, which later developed into the sundial. ... 3500 BC, are among the earliest shadow clocks. The oldest of all known sundials dates back to c. 1500 BC (during the 19th Dynasty), and was discovered in the Valley of the Kings in 2013.
Wasn’t sure if u needed colored ones