Crossword Genius

Where clock-faces are stale? (6,3,5)

Ross

I believe the answer is:

behind the times

I'm a little stuck... Click here to teach me more about this clue!

'stale?' is the definition.
I know nothing about this answer so I can't judge whether this works.

'where clock-faces' is the wordplay.
I cannot really understand how this works, but
'clock' could be 'time' (synonyms) and 'time' is found within the answer.
This explanation may well be incorrect...

'are' acts as a link.

Can you help me to learn more?

(Other definitions for behind the times that I've seen before include "not being updated?" , "where one may be silent at breakfast?" , "Out-dated" , "Old hat" , "Where this crossword is" .)

I've seen this clue in the Sydney Morning Herald.
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