
Heure exacte synchronisée avec des horloges atomiques (IANA + NTP)
Sunday, June 28, 2026
Turkey · Europe/Istanbul · GMT+3
Istanbul est en retard de 5h sur Shanghai

Heure exacte synchronisée avec des horloges atomiques (IANA + NTP)
Sunday, June 28, 2026
Turkey · Europe/Istanbul · GMT+3

Heure exacte synchronisée avec des horloges atomiques (IANA + NTP)
Sunday, June 28, 2026
China · Asia/Shanghai · GMT+8
If you are scheduling a call between Istanbul and Shanghai, the overlap window is limited to typical business hours. When it is 9 am in Istanbul it is 2 pm in Shanghai — a workable window for scheduling. The latest reasonable overlap is around 12 pm in Istanbul (5 pm in Shanghai). Outside this window there is effectively no good overlap for regular office hours.
Scheduling a family call between Istanbul and Shanghai takes a little planning. Istanbul is 5 hours behind Shanghai, which means there's no window that feels comfortable for everyone at the same time. The most manageable option is early evening in Istanbul — around 7 pm — which puts Shanghai at 12 am. Someone will need to stretch a little, but at least no one's setting a middle-of-the-night alarm. Weekends tend to give the most flexibility if you can agree on a time in advance.
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