Sporting hints about golf for those in the dark (6)

I believe the answer is:

nights

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'for those in the dark' is the definition.
I can't tell whether this definition defines the answer.

'sporting hints about golf' is the wordplay.
'sporting' is an anagram indicator.
'about' is an insertion indicator.
'golf' becomes 'g' (phonetic alphabet: alpha, bravo, charlie etc.).
'hints' is an anagram of 'nihts'.
'nihts' enclosing 'g' is 'NIGHTS'.

Can you help me to learn more?

(Other definitions for nights that I've seen before include "See 9" , "Dark periods" , "Periods after sunset" , "Times after sunset" , "Periods of darkness" .)

I've seen this clue in the Irish Times.

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