Railway Station Clock
A clock hangs on the wall of a railway station, 71 ft. 9 in. long and 10 ft. 4 in. high.
Those are the dimensions of the wall, not of the clock!

While waiting for a train we noticed that the hands of the clock were pointing in opposite directions, and were parallel to one of the diagonals of the wall.

What was the exact time?

See answer

Math Genius