Every New semester:
 

After 1st week:
 

After the 2nd week:
 

Before the mid-term test:
 

During the mid-term test:
 

After the mid-term test:
 

Before the final exam:
 

Once get to know the final exam schedule:
 

5 days before the final exam:
 

4 days before the final exam:
 

2 days before the final exam:
 

1 day before the final exam:
 

1 hour before the final exam:
 

Once walk out from the examination hall:
 

After the final exam, during the holiday: