Star Wars: Episode III – Revenge of the Sith has an official runtime of approximately 140 minutes (2 hours and 20 minutes)

. There is also an extended "assembly cut" version that runs about four hours long, including additional scenes such as a longer space battle, more detailed fights, and subplot scenes involving Padmé and other senators

. Regarding the timeline within the story, the main events of Revenge of the Sith take place over about four days, covering key moments like the Battle of Coruscant, Order 66, and Anakin's transformation into Darth Vader

. Some sources suggest the overall timeline might span up to nine days when including all events and subplots

. In summary:

• The theatrical film length is about 140 minutes.
• An extended assembly cut exists at around 4 hours.
• The story timeline spans roughly 4 to 9 days within the Star Wars universe.