How long might it of taken to re-wire colossus?

Re-wiring Colossus, the world's first programmable digital computer, would have taken several weeks to months, depending on the extent of the modifications needed. The process involved intricate work with thousands of valves and connections, requiring skilled engineers to ensure functionality. The complexity of the design and the need for precision meant that careful planning and execution were essential. Ultimately, the timeline would have varied based on the specific changes being made and the available resources.