1. Why did humans invent calendars? Do you think we could live
without them?

it was important to know when to plant and expect harvest or the rains or other changes in weather.

It also gave a great power to those who could say - “The Sky will be black in the middle of this particular day” - since they knew an eclipse would happen. Building became increasingly important, as did commerce, and these too required a better understanding of how Much had time passed.