The most common and most likely answer to this crossword clue is the 6 plus 3 plus 5 letter word AROUND THE CLOCK
I've seen this crossword clue in The Guardian
A
R
O
U
N
D
T
H
E
C
L
O
C
K
More clues leading to the result AROUND THE CLOCK
Buddy explains!
The straight part
We know that "Where numbers go/Where numbers go/without stopping/without stopping" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case where numbers go/where numbers go/without stopping/without stopping = around the clock.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does AROUND THE CLOCK mean?
AROUND THE CLOCK adjective- All day and night; all of the time.