Hong Kong ↔ Tehran

Best Time to Call

Excellent overlap! The best window to call is between 14:00 and 17:00 (Hong Kong time).

Sync Hong Kong and Tehran easily. Hong Kong is 4 hours 30 minutes ahead of Tehran. Excellent overlap! The best window to call is between 14:00 and 17:00 (Hong Kong time).

Upcoming Time Change

New York City clocks forward 1h in 11 days Mar 09

💡 Review recurring meetings scheduled during these dates to avoid sync issues.

Meeting Optimizer

Sync Score

3.3/10

-12h Current Time +12h

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Tokyo

15:35 GMT+9

Working

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New York City

01:35 EST

Sleeping

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London

06:35 GMT

Sleeping

Synchronization Context

A 4 hours 30 minutes gap allows for a manageable shared window, typically in the morning or late afternoon. It requires some scheduling but supports daily synchronization.

Hong Kong Business Pulse

Culture Fast-paced, efficient, and highly international. Values both Western efficiency and Eastern heritage.
Lunch Break 1:00 PM - 2:00 PM.
Pro Tip The best time for calls is 10:00 AM to 11:30 AM or 3:00 PM to 5:00 PM. Avoid the 1:00 PM - 2:00 PM lunch hour. Business is fast and professional; be prepared with your data and ready to make decisions. Like Singapore, punctuality and professional titles are highly respected.

Tehran Business Pulse

Culture Relationship-heavy and formal. Respect for hierarchy is paramount.
Lunch Break 1:00 PM - 2:00 PM.
Pro Tip The work week is Saturday to Wednesday. Thursday is often a half-day. Call between 9:00 AM and 12:00 PM. Iranian business culture is very formal and involves "Taarof" (a complex system of etiquette); be patient, polite, and avoid rushing into business without proper greetings.