What UTC offset does Hong Kong use?

Hong Kong uses Hong Kong Time (HKT), which is UTC+8 year-round. Hong Kong has not observed daylight saving time since 1979. The fixed UTC+8 offset puts Hong Kong on the same time as Singapore, Beijing, Shanghai, and Taipei, making intra-Asian scheduling within this zone very straightforward.

What are typical business hours in Hong Kong?

Standard business hours in Hong Kong run 9 AM to 6 PM HKT, Monday through Friday, with many financial and professional services firms extending until 7 or 8 PM. Lunch is typically 1 to 2 PM. Hong Kong has one of the longest average working weeks in the world, and a culture of availability beyond official hours is common.

What is the best time to schedule a call between Hong Kong and London?

Hong Kong (HKT, UTC+8) is 8 hours ahead of London (GMT) in winter and 7 hours ahead in summer (BST). The practical overlap window is early afternoon Hong Kong time: 2–5 PM HKT is 6–9 AM GMT in winter, which asks London to start slightly early. In summer, 2–5 PM HKT is 7 AM–10 AM BST — a more comfortable London morning.

Working Hours in Hong Kong: A Timezone Guide

March 10, 2026

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Frequently Asked Questions

What UTC offset does Hong Kong use?: Hong Kong uses Hong Kong Time (HKT), which is UTC+8 year-round. Hong Kong has not observed daylight saving time since 1979. The fixed UTC+8 offset puts Hong Kong on the same time as Singapore, Beijing, Shanghai, and Taipei, making intra-Asian scheduling within this zone very straightforward.
What are typical business hours in Hong Kong?: Standard business hours in Hong Kong run 9 AM to 6 PM HKT, Monday through Friday, with many financial and professional services firms extending until 7 or 8 PM. Lunch is typically 1 to 2 PM. Hong Kong has one of the longest average working weeks in the world, and a culture of availability beyond official hours is common.
What is the best time to schedule a call between Hong Kong and London?: Hong Kong (HKT, UTC+8) is 8 hours ahead of London (GMT) in winter and 7 hours ahead in summer (BST). The practical overlap window is early afternoon Hong Kong time: 2–5 PM HKT is 6–9 AM GMT in winter, which asks London to start slightly early. In summer, 2–5 PM HKT is 7 AM–10 AM BST — a more comfortable London morning.