The most common and most likely answer to this crossword clue is the 6 letter word SYNCHS
S
Y
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Buddy explains!
The straight part
We know that "agrees in time" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case agrees in time = synchs.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 SYNCHS mean?
SYNCHS noun- Harmony.
- A music synchronization license, allowing the music to be synchronized with visual media such as films.
- The state or property of being synchronized.
- The arrangement of military actions in time, space, and purpose to produce maximum relative combat power at a decisive place and time.
- In an intelligence context, application of intelligence sources and methods in concert with the operation plan.