Time-zone planner
Rows are the hours of one day in the first zone. Green cells are 08:00–21:00 locally — good lesson hours.
| Europe/London(UTC+01:00) | America/New York(UTC−04:00) | Asia/Tokyo(UTC+09:00) | All awake? |
|---|---|---|---|
| 00:00Wed 7 Oct | 19:00Tue 6 Oct | 08:00Wed 7 Oct | |
| 01:00Wed 7 Oct | 20:00Tue 6 Oct | 09:00Wed 7 Oct | |
| 02:00Wed 7 Oct | 21:00Tue 6 Oct | 10:00Wed 7 Oct | |
| 03:00Wed 7 Oct | 22:00Tue 6 Oct | 11:00Wed 7 Oct | |
| 04:00Wed 7 Oct | 23:00Tue 6 Oct | 12:00Wed 7 Oct | |
| 05:00Wed 7 Oct | 00:00Wed 7 Oct | 13:00Wed 7 Oct | |
| 06:00Wed 7 Oct | 01:00Wed 7 Oct | 14:00Wed 7 Oct | |
| 07:00Wed 7 Oct | 02:00Wed 7 Oct | 15:00Wed 7 Oct | |
| 08:00Wed 7 Oct | 03:00Wed 7 Oct | 16:00Wed 7 Oct | |
| 09:00Wed 7 Oct | 04:00Wed 7 Oct | 17:00Wed 7 Oct | |
| 10:00Wed 7 Oct | 05:00Wed 7 Oct | 18:00Wed 7 Oct | |
| 11:00Wed 7 Oct | 06:00Wed 7 Oct | 19:00Wed 7 Oct | |
| 12:00Wed 7 Oct | 07:00Wed 7 Oct | 20:00Wed 7 Oct | |
| 13:00Wed 7 Oct | 08:00Wed 7 Oct | 21:00Wed 7 Oct | |
| 14:00Wed 7 Oct | 09:00Wed 7 Oct | 22:00Wed 7 Oct | |
| 15:00Wed 7 Oct | 10:00Wed 7 Oct | 23:00Wed 7 Oct | |
| 16:00Wed 7 Oct | 11:00Wed 7 Oct | 00:00Thu 8 Oct | |
| 17:00Wed 7 Oct | 12:00Wed 7 Oct | 01:00Thu 8 Oct | |
| 18:00Wed 7 Oct | 13:00Wed 7 Oct | 02:00Thu 8 Oct | |
| 19:00Wed 7 Oct | 14:00Wed 7 Oct | 03:00Thu 8 Oct | |
| 20:00Wed 7 Oct | 15:00Wed 7 Oct | 04:00Thu 8 Oct | |
| 21:00Wed 7 Oct | 16:00Wed 7 Oct | 05:00Thu 8 Oct | |
| 22:00Wed 7 Oct | 17:00Wed 7 Oct | 06:00Thu 8 Oct | |
| 23:00Wed 7 Oct | 18:00Wed 7 Oct | 07:00Thu 8 Oct |