1 : For the case 1 you have time to

1 : For the case 1 you have time to do 3 hours under dead bus. (6.00 AM - 9.00 AM)
2 : For the case 2 you have time to do 6 hours under dead bus.

ผลลัพธ์ (อังกฤษ) 2:

1: For the case 1 you have time to do 3 hours under dead bus. (6:00 AM - 9 o'clock AM)
2: For the Case 2 You have time to do 6 hours under Dead Bus.