No one fart about when Hoskins gets up! (9)

I believe the answer is:

afternoon

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'hoskins gets up' is the definition.
I can't judge whether this defines the answer.

'no one fart about' is the wordplay.
'about' is an anagram indicator.
'no'+'one'+'fart'='noonefart'
'noonefart' with letters rearranged gives 'AFTERNOON'.

'when' is the link.

Can you help me to learn more?

(Other definitions for afternoon that I've seen before include "one not far out" , "Post midday" , "Time of day" , "No ante for this part of the day" , "Then it's early in this!" .)

I've seen this clue in The Independent.

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