The Doomsday Clock now stands at 89 seconds to midnight, the closest to catastrophe in its nearly eight-decade history.

On this clock, the time is 1 o'clock. The hour hand points to 1 and the minute hand points straight up to 12. One hour after 1 o’clock is 2 o’clock. One hour before 1 o’clock is 12 o’clock.

Over the last 78 years, the clock’s time has changed according to how close scientists believe the human race is to total destruction. Some years the time changes, and some years it doesn’t.

The Win O’Clock Quiz competition (the “Competition ... You must complete your entry before the closing date and Closing Time of the Competition. If you are part way through your entry ...