The most common and most likely answer to this crossword clue is the 8 letter word TOMORROW
I've seen this crossword clue in The Daily Telegraph
T
O
M
O
R
R
O
W
More clues leading to the result TOMORROW
- What’s to come from retiring second time — gold chain
- Old queen involved in cat fight the next day
- Redesigned motor, line for the future
- Withdraw apt word, or exchange words 24 hours hence
- It’s never this cat getting run over, when looking both ways before beginning to walk
- The future of Annie’s Song?
- The future leaders of the Marxist revolution were all estranged by Mao in the end
- Male gets gold to propel ship into the future
- Cat spat, needing to trap old rook, but it never comes
- Future friend of Dick and Harry or Barney?
Buddy explains!
The straight part
We know that "this time yesterday?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case this time yesterday? = tomorrow.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 TOMORROW mean?
TOMORROW noun- The day after the present day.
- On the day after the present day.
- At some point in the future; later on
- (possibly obsolete) On next (period of time other than a day, such as a week or a month), following the present (period of time).
- On the next day (following some date in the past).