How long did it take to build the pyramids of the queens?

The Pyramids of the Queens, located near the Great Pyramid of Giza, were constructed during the Fourth Dynasty of the Old Kingdom of Egypt, around 2600-2500 BCE. The exact time it took to build each pyramid varies, but it is generally believed that they were completed in about 10 to 20 years. The construction involved thousands of workers and sophisticated techniques, showcasing the advanced engineering skills of ancient Egyptians.