The start and finish of the tour are arranged according to the bullet train (called Hokuriku Shinkansen) timetable. See below for specific timetables on the bullet train departure and arrival times to/from Nagano Station.
Departing Tokyo Station – Arriving Nagano Station:
Tokyo: 06:28 – Nagano: 08:06 – Hakutaka
Tokyo: 06:52 – Nagano: 08:40 – Asama
Tokyo: 07:20 – Nagano: 08:43 – Kagayaki (reserved seats only)
Departing Nagano Station – Arriving Tokyo Station:
Nagano: 17:34 – Tokyo: 19:12 – Hakutaka
Nagano: 17:55 – Tokyo: 19:20 – Kagayaki (reserved seats only)
Nagano: 18:22 – Tokyo: 20:00 – Hakutaka