A clock with hands (an analogue clock) shows us the numbers 1-12. There are 24 hours in one day, so we measure time by splitting the day into two halves. The first 12 hours of the day, from ...
BBC6 个月
O’clock
For example, when the clock shows the short hand on 3 and the long hand on 12, it is 3 o'clock. Reading the hours on a clock is like following a number line from 1 to 12. Each number shows an hour.
Previously, [Vinnie] had been stopping the clock every evening, and hoped he would remember to start the pendulum in motion 12 hours later. This was a chore, so he decided to automate the process.
For those still learning the 24-clock system, a simple way to translate afternoon and evening hours into civilian time is to subtract 12. For example, for 2000 hours, subtract 12 from 20 to get 8 ...
because this is a clock that doesn’t just tick away and idly update the minutes/hours. Instead, a familiar Matrix-esque rain animation swoops in from above, exchanging old numbers for new.