Next day (8)
I believe the answer is:
tomorrow
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">next day</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for tomorrow that I've seen before include "when weekend begins?" , "coming soon" , "The day that never comes" , "In the near future" , "___ Never Knows, 1966 Beatles song" .)