People are only just learning what the ‘o’ in ‘o'clock’ actually stands for O'clock is an expression that many of us use on a regular basis – but do you know what it actually stands for? Thankfully, ...

O'clock is a way of telling the exact hour on a clock. We say "o'clock" when the minute hand (the long hand) points to the number 12 on the clock. When the minute hand points straight up to 12, it ...