The time difference between events 2 and 0 are according to Earth: t2 - t0 = 1 - 0 = 1 yr according to Ship: t2' - t0' = 2.294 - 0 = 2.294 yr Sailors on the ship conclude that Earth clocks are running slower than ships' clocks, ticking at a rate of (1/2.294) = 0.436 of the ships' clocks.