Kolkata to Shanghai — +2:30h
+2:30h
Kolkata keeps Asia/Kolkata while Shanghai runs on Asia/Shanghai. That's a +2:30h difference at this moment — Shanghai sees the sun first. The ~3407 km between them mean their daylight windows barely overlap for meetings outside the 09:00–16:00 Kolkata slot.
Distance: 3,407 kmWork window overlap: 09:00–16:00 Kolkata
II
24 hours in parallel
| Hour A | Hour B | Overlap? |
|---|---|---|
| 00:00 | 02:30 | |
| 01:00 | 03:30 | |
| 02:00 | 04:30 | |
| 03:00 | 05:30 | |
| 04:00 | 06:30 | |
| 05:00 | 07:30 | |
| 06:00 | 08:30 | |
| 07:00 | 09:30 | |
| 08:00 | 10:30 | |
| 09:00 | 11:30 | ● |
| 10:00 | 12:30 | ● |
| 11:00 | 13:30 | ● |
| 12:00 | 14:30 | ● |
| 13:00 | 15:30 | ● |
| 14:00 | 16:30 | ● |
| 15:00 | 17:30 | ● |
| 16:00 | 18:30 | |
| 17:00 | 19:30 | |
| 18:00 | 20:30 | |
| 19:00 | 21:30 | |
| 20:00 | 22:30 | |
| 21:00 | 23:30 | |
| 22:00 | 00:30 | |
| 23:00 | 01:30 |