What day is today?
今天周幾？
What day was yesterday?
昨天周幾？
What day will be tomorrow? （這里最容易混淆得就是時態，絕大多數人都會問what day is tomorrow?其實正確得用法是What day will be tomorrow?）
明天周幾？
There are seven days in a week.
一周有七天。
From Monday to Friday are the weekdays.
周一到周五是工作日。
We call Saturday and Sunday the weekend.
周六和周日是周末。
There are 24 hours in a day.
一天有24小時。
hour hand 時針
minute hand 分針
second hand 秒針
One hour is 60 minutes.
一小時是60分鐘。
