Click the green flag to start the clock. Chimes every quarter hour and strikes the corresponding hour by 12. Melodies: Westminster, Whittington, St. Michael An option to silence the chimes/change the melody is provided. (Both cannot be interacted with when the clock is chiming) To silence the ticking, press M. Keys: I - Hammer 1 U - Hammer 2 Y - Hammer 3 T - Hammer 4 R - Hammer 5 E - Hammer 6 W - Hammer 7 Q - Hammer 8 Space - Strike Hammers