Crossword Genius

Stay twenty four hours in Paris, very new surroundings (7)

Ross

I believe the answer is:

sojourn

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

'stay twenty four' is the definition.
'sojourn' can be an answer for 'stay' (I've seen this in another clue). I'm not certain of the 'twenty four' bit.

'hours in paris very new surroundings' is the wordplay.
'hours in paris' becomes 'jour' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'very' becomes 'so' (both can mean 'extremely').
'new' becomes 'n' (abbreviation as in New Testament NT).
'surroundings' is an insertion indicator.
'so'+'n'='son'
'jour' put inside 'son' is 'SOJOURN'.

Can you help me to learn more?

(Other definitions for sojourn that I've seen before include "Temporary residence" , "Reside temporarily" , "Relaxed, tolerant" , "Short stay" , "Stopover" .)

I've seen this clue in The Times.
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