What was the time period in which the pyramids were built?

The pyramids of Egypt were primarily built during the Old Kingdom period, which lasted from around 2686 to 2181 BCE. The most famous pyramids, including the Great Pyramid of Giza, were constructed during the Fourth Dynasty, specifically around 2580 to 2560 BCE. This era is known for its monumental architecture and the establishment of the pharaohs' divine status through such impressive structures.