学校在一月一日放假。

The school is closed on January 1st.

一月一日是一个重要的节日。

January 1st is an important holiday.

我们计划在一月一日去旅行。

We plan to go on a trip on January 1st.

我们在一月一日庆祝新年。

We celebrate the new year on January 1st.

一月一日是新年的第一天。

January 1st is the first day of the new year.

元旦是每年的一月一日。

New Year's Day is on January 1st every year.

一月一日是新年的开始。

January 1st. The beginning of a new year.

今天是一月一日。

Today is January 1st.

海伦•苏兹嫚，种族隔离斗士，一月一日逝世，享年九十一岁。

Helen Suzman, apartheid-fighter, died on January 1st, aged 91

一月一日——我决定要写日记了。

Jan. 1st. I determined to keep a diary.