When it's before the hour (but after 30 minutes past) we say to. We often use descriptions such as 'quarter past' and 'half past' to tell the time, but it's also good to be able to say exactly how ...

Psychological time is not clock time. How people in different parts of the world divide up the minutes in an hour may explain ...

When it's before the hour (but after 30 minutes past) we say to. We often use descriptions such as 'quarter past' and 'half past' to tell the time, but it's also good to be able to say exactly how ...