Alert to change in more modern times (5)
I believe the answer is:
later
'alert to change in more modern times' is the definition.
I can't judge whether this defines the answer.
'alert to change' is the wordplay.
'to change' indicates an anagram.
'alert' with letters rearranged gives 'LATER'.
Can you help me to learn more?
(Other definitions for later that I've seen before include "When to see you?" , "Tomorrow (or next week)?" , "after an interval" , "Afterward, subsequent" , "Alert (anag.)" .)