New Year's Eve

US /ˌnuː jɪrz ˈiːv/
UK /ˌnuː jɪrz ˈiːv/
"New Year's Eve" picture
1.

大晦日

the last day of the year, December 31, which is celebrated with parties and other festivities leading up to midnight and the start of the new year

:
We're planning a big party for New Year's Eve.
大晦日に盛大なパーティーを計画しています。
Many people watch fireworks on New Year's Eve.
多くの人が大晦日に花火を見ます。