It all depends on the size of the structure and the materials used. A small mud brick pyramid from the middle kingdom could be thrown up in a year. The great stone pyramid of king Khufu on the other hand is said to have taken 20 years to build.
It is estimated that the Great Pyramid took 20 years to build.
About 20 years for the Great Pyramid other smaller pyramids take less time.
Modern estimates put it at 14 to 20 years
It took over 500 blocks to make pyramid.
It took 273 days for them to build the pyramid
About 20 years for the great pyramid.
A long time!
It will take about 350 years.
about 20 years
about twenty years
2 years
It depends on what pyramid your talking about. The Great Pyramid took at least 20 years to build.