Fantastic Sun item not long (7)

I believe the answer is:

minutes

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

'fantastic sun item not long' is the definition.
I can't tell whether this definition defines the answer.

'fantastic sun item' is the wordplay.
'fantastic' is an anagram indicator.
'sun'+'item'='sunitem'
'sunitem' with letters rearranged gives 'MINUTES'.

Can you help me to learn more?

(Other definitions for minutes that I've seen before include "Written account of a meeting" , "Units of time" , "Recorded notes of a meeting" , "Record of a meeting" , "summary" .)

I've seen this clue in The Sun.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.