Vacation begins on the first of January and ends on the last day of December.

假期从1月1日开始，到12月的最后一天结束。

youdao

In my ignorance, I assumed he had his dates wrong, as the first of January had just passed.

出于无知，我以为他把日期搞错了，因为1月1日刚刚过去。

youdao

Rent was twenty-five dollars a month but Mum couldn't pay it and we knew we would be evicted right after Christmas on the first of January.

每月只25美元的房租，但是母亲还是付不起，我们知道在圣诞节后的1月1日就会被扫地出门。

youdao

This year alone, since the first of January, we have had more than 70 incidents, just in the first two-and-a-half months of this year."

VOA: standard.2010.03.23

Our first review section will be in the week of January--with your teaching fellows-- will be in the week of January twenty-eighth and we're going to have to ask you to sign up with one of the teaching fellows.

我们的第一次复习课,将在一月。。。和助教一起-,将在1月28日所在的那周,我们会叫你们，选择和一个助教合作。

耶鲁公开课 - 金融市场课程节选

He will be inaugurated as the 44th president of the United States, and the first black president, on January 20th.

VOA: special.2009.01.12

Obviously this is going to have to go through a Security Council that reconstitutes itself on first of January.

WHITEHOUSE: Press Briefing

This is similar to the previous chart but has granular breakdown for the first and second halves of December and the first week of January.

FORBES: iOS and Android Fourth Quarter Mobile Apps Ad Metrics

President PERVEZ MUSHARRAF (Pakistan): So any day towards the end of the first week of January.

NPR: Pakistan's Musharraf Won't Lift Emergency Rule