When darkening skies are tinged with gilt anew? (8)

I believe the answer is:

twilight

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'when darkening skies are tinged' is the definition.
I can't tell whether this definition defines the answer.

'with gilt anew?' is the wordplay.
'anew?' indicates an anagram (I've seen 'anew' mean this).
'with'+'gilt'='withgilt'
'withgilt' with letters rearranged gives 'TWILIGHT'.

Can you help me to learn more?

(Other definitions for twilight that I've seen before include "Evening glow" , "Partial darkness" , "The last rays" , "Declining stage" , "period towards the end of the day?" .)

I've seen this clue in The Globe and Mail.

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