A log rewritten on China's twilight (8)

I believe the answer is:

gloaming

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'twilight' is the definition.
('gloaming' can be a synonym of 'twilight')

'a log rewritten on china's' is the wordplay.
'rewritten' is an anagram indicator.
'on' becomes 'a' (I am not sure about this - if you are sure you should believe this answer much more).
'china' becomes 'ming' (I've seen this before).
'log' anagrammed gives 'glo'.
'glo'+'a'+'ming'='GLOAMING'

Can you help me to learn more?

(Other definitions for gloaming that I've seen before include "Twilight, dusk" , "half-dark" , "not very bright, naturally" .)

I've seen this clue in The Telegraph.

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