There is no standard 8-to-6 overlap. Someone joins early or late.
Given Honolulu is 13 hours behind Istanbul, the realistic answer is that there's no convenient shared slot during normal business hours. Catch the edges of the day: the last hour for Istanbul or the first hour for Honolulu is usually the least painful option.
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Istanbul
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Honolulu
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Frequently Asked Questions
What is the time difference between Istanbul and Honolulu?
Honolulu is 13 hours behind Istanbul.
What are the best overlapping working hours between Istanbul and Honolulu?
Unfortunately, there are no standard overlapping working hours (8 AM to 6 PM) between Istanbul and Honolulu. You will likely need to schedule meetings outside of regular office hours.
How many hours overlap between Istanbul and Honolulu during a typical workday?
Unfortunately, there are no overlapping work hours. Someone will usually need to join earlier or later than a normal workday.
Does Daylight Saving Time affect the time difference between Istanbul and Honolulu?
Neither Istanbul nor Honolulu observes Daylight Saving Time, so the time difference remains consistent year-round.