請問美加的大學一個學期有幾長?哪個月開始同結束?暑假放幾耐到?

沒閒大學都唔同。但大約如下：

Early Sept. - Mid Dec. Fall Semester
Early Jan. - Early Apr. Winter Semester
(there would be a study break held in Feb. or Mar.)

End of Apr. - Early Aug. Summer Semester
(有某D大學會講暑期課程分作兩段:
End of Apr. - Early June, Mid June - Early Aug.)