The most common and most likely answer to this crossword clue is the 7 letter word SUNDOWN
I've seen this crossword clue in The Daily Telegraph
S
U
N
D
O
W
N
More clues leading to the result SUNDOWN
- Evening broadcast covers pool bar opening.
- Setting time's free in most quarters
- Star – which this isn’t, at the end of the day
- Students, upset by low grade, now rioting at the end of the day
- Local star is dejected, when the lights come on
- . . . . and in Germany broadcast round about 8
- Time of day for loose women in Senegal
- Organ whose top is red and blue, at the end of the day
- Evening Standard’s first open when free
- Star, depressed when the day is done?
Buddy explains!
The straight part
We know that "when the day is done" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case when the day is done = sundown.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 SUNDOWN mean?
SUNDOWN noun- Sunset.
- A hat with a wide brim to shade the eyes from sunlight.
- To experience an episode or an onset of some detrimental mental condition like agitation, anxiety, hallucination or dementia, daily at nightfall.