Scots New Year's Eve (8)
I believe the answer is:
hogmanay
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">scots new year's eve</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for hogmanay that I've seen before include "Festival" , "New Year's Eve north of the border" , "Scottish New Year's Eve" , "New Year up north" , "First-footing time" .)