Best overlap: 11:30 AM to 6:30 PM in Kolkata is 8:00 AM to 3:00 PM in Amsterdam.
Shoot for 11:30 AM to 6:30 PM in Kolkata; your Amsterdam colleagues will see that as 8:00 AM to 3:00 PM. The overlap is wide at 7 hours, so you can protect mornings for deep work and still find plenty of meeting time. Note that Amsterdam follows daylight saving while Kolkata stays put, so the times above drift by an hour seasonally.
| Local time | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Kolkata Asia/Kolkata | ||||||||||||||||||||||||
Amsterdam Europe/Amsterdam |
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