In Western countries New Year's Day is the 1st of January.

在西方国家 新年是1月1日

Shops close only on Christmas Day and New Year's Day.

商店只在圣诞日和元旦停业。

I've got three days' holiday including New Year's Day.

包括元旦在内我有三天假。

On New Year's Day in 1974, I started keeping a journal.

我从1974年新年开始写日记。

Tomorrow is New Year's Day.

明天是元旦。

New Year's Day is coming.

元旦要来了。