This is the 3498th most frequent Chinese word.
星期二
Tuesday
In this sentence, '星期二' is used to denote the day of the week, Tuesday, in a declarative statement about the current day.
今天是星期二。
Today is Tuesday.
Here, '星期二' specifies a future date for an event, indicating Tuesday as the scheduled day for the meeting.
我们计划在星期二进行会议。
We plan to hold the meeting on Tuesday.
In this context, '星期二' is referred to as a past instance of Tuesday, anchored in a recollection of prior events.