Look at the following schedule:
| Train schedule |
| Snowy Mountain | 1:00 A.M. | 9:00 A.M. | 5:15 P.M. |
| Happy Cow Farm | 2:00 A.M. | 10:00 A.M. | 6:15 P.M. |
| Magician Village | 3:00 A.M. | 11:00 A.M. | 7:15 P.M. |
| City of Green Trees | 4:00 A.M. | 12:00 P.M. | 8:15 P.M. |
| Rocky Ravine Town | 4:30 A.M. | 12:30 P.M. | 8:45 P.M. |
| Chickenville | 5:15 A.M. | 1:15 P.M. | 9:30 P.M. |
| Skyscraper City | 5:45 A.M. | 1:45 P.M. | 10:00 P.M. |
Nolan is at is at Snowy Mountain at 6:15 A.M. How soon can he get to City of Green Trees?