Hong Kong
London
Convert HKT to GMT
Hong Kong Time to Greenwich Mean Time — London is 7 hours behind Hong Kong
Quick Facts
Time Difference
-7 hours
HKT Full Name
Hong Kong Time
GMT Full Name
Greenwich Mean Time
HKT to GMT Conversion Table
Related Conversions
About HKT and GMT Time Zones
HKT (Hong Kong Time) is UTC+8 and covers cities like Hong Kong. GMT (Greenwich Mean Time) is UTC+0 and covers cities like London, Dublin, Lisbon.
When it's 12:00 PM (noon) in Hong Kong (HKT), it's 5:00 AM in London (GMT). The time difference between HKT and GMT is 7 hours — London is behind Hong Kong.
The 8-hour difference makes real-time overlap challenging — early morning calls (7–9 AM HKT) work best.
Use our world clock tool to compare Hong Kong and London with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between HKT and GMT?
London (GMT) is 7 hours behind Hong Kong (HKT). The offset is -7 hours.
Is GMT ahead or behind HKT?
GMT is 7 hours behind HKT. HKT is UTC+8 and GMT is UTC+1.
When it's 12:00 PM in Hong Kong, what time is it in London?
When it's 12:00 PM (noon) in Hong Kong (HKT), it's 5:00 AM in London (GMT).
When it's 5:00 PM in Hong Kong, what time is it in London?
When it's 5:00 PM in Hong Kong (HKT), it's 10:00 AM in London (GMT).