What is the average cell cycle span for a mammalian cell?

The average cell cycle span for a mammalian cell is approximately 24 hours.

This duration encompasses all phases of the cell cycle, including interphase (G₁, S, and G₂ phases) and the mitotic (M) phase.

The interphase, which is the preparatory phase for cell division, occupies the majority of the cell cycle time.

The mitotic phase, where actual cell division occurs, typically lasts about 1 hour within the 24-hour cycle.