London to Hong Kong conversion chart
Every full hour of Tuesday, October 13, 2026 in London, and the time in Hong Kong. Pick another date in the converter and the chart follows.
| London (BST) | Hong Kong (HKT) |
|---|---|
| 12:00 AM 00:00 | 7:00 AM 07:00 |
| 1:00 AM 01:00 | 8:00 AM 08:00 |
| 2:00 AM 02:00 | 9:00 AM 09:00 |
| 3:00 AM 03:00 | 10:00 AM 10:00 |
| 4:00 AM 04:00 | 11:00 AM 11:00 |
| 5:00 AM 05:00 | 12:00 PM 12:00 |
| 6:00 AM 06:00 | 1:00 PM 13:00 |
| 7:00 AM 07:00 | 2:00 PM 14:00 |
| 8:00 AM 08:00 | 3:00 PM 15:00 |
| 9:00 AM 09:00 | 4:00 PM 16:00 |
| 10:00 AM 10:00 | 5:00 PM 17:00 |
| 11:00 AM 11:00 | 6:00 PM 18:00 |
| 12:00 PM 12:00 | 7:00 PM 19:00 |
| 1:00 PM 13:00 | 8:00 PM 20:00 |
| 2:00 PM 14:00 | 9:00 PM 21:00 |
| 3:00 PM 15:00 | 10:00 PM 22:00 |
| 4:00 PM 16:00 | 11:00 PM 23:00 |
| 5:00 PM 17:00 | 12:00 AM 00:00next day |
| 6:00 PM 18:00 | 1:00 AM 01:00next day |
| 7:00 PM 19:00 | 2:00 AM 02:00next day |
| 8:00 PM 20:00 | 3:00 AM 03:00next day |
| 9:00 PM 21:00 | 4:00 AM 04:00next day |
| 10:00 PM 22:00 | 5:00 AM 05:00next day |
| 11:00 PM 23:00 | 6:00 AM 06:00next day |
Time difference over the year
The gap between London and Hong Kong for the next 12 months, with clock changes on both sides taken into account:
- Oct 13, 2026 to Oct 24, 2026: Hong Kong is 7 hours ahead of London
- Oct 25, 2026 to Mar 27, 2027: Hong Kong is 8 hours ahead of London
- Mar 28, 2027 to Oct 12, 2027: Hong Kong is 7 hours ahead of London
Daylight saving time in London and Hong Kong
London turns the clocks forward from GMT to BST at 1:00 AM on the last Sunday in March and back at 2:00 AM on the last Sunday in October, the dates the UK government publishes. In 2026 the changes fall on March 29 and October 25, in 2027 on March 28 and October 31.
Hong Kong stays on HKT (UTC+8) all year: Hong Kong last used summer time in 1979.
The gap takes 2 values across 2026 and 2027: 8 hours, 7 hours. 7 hours holds on most days; the highlighted rows are the 303 days with another gap, because one side has changed its clocks and the other has not:
| From | To | London | Hong Kong | Hong Kong is |
|---|---|---|---|---|
| January 1, 2026 | March 28, 2026 | GMT (UTC) | HKT (UTC+8) | 8 h ahead |
| March 29, 2026 | October 24, 2026 | BST (UTC+1) | HKT (UTC+8) | 7 h ahead |
| October 25, 2026 | March 27, 2027 | GMT (UTC) | HKT (UTC+8) | 8 h ahead |
| March 28, 2027 | October 30, 2027 | BST (UTC+1) | HKT (UTC+8) | 7 h ahead |
| October 31, 2027 | December 31, 2027 | GMT (UTC) | HKT (UTC+8) | 8 h ahead |
Office hours that overlap
With a 9:00 AM to 5:00 PM workday in both cities, this is the shared window for each gap of the year:
- 8 hours apart (GMT with HKT), 155 days of 2026: No shared office time. When London starts work at 9:00 AM, it is 5:00 PM in Hong Kong; when Hong Kong starts at 9:00 AM, it is 1:00 AM in London.
- 7 hours apart (BST with HKT), 210 days of 2026: 1 hour of shared office time: 9:00 AM to 10:00 AM in London is 4:00 PM to 5:00 PM in Hong Kong.
Which time zones London and Hong Kong use
London is on UK time (GMT in winter, BST in summer), which is used in the whole United Kingdom. Hong Kong is on Hong Kong Time (HKT), used in all of Hong Kong, on UTC+8 all year.
Comparing more than two places? Add as many cities as you need in the time zone converter, or find a slot that works for everyone with the meeting planner. For timestamps from logs or APIs, the Unix timestamp converter turns them into readable dates.
Sources
The clock change rules above come from these pages. The dates, the gap table and the office hours are computed from them and checked against the time zone data at build time.
- GOV.UK: When do the clocks change?
- Hong Kong Observatory: Summer Time in Hong Kong
- timeanddate.com: time zone in Hong Kong
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Frequently asked questions
What is the time difference between London and Hong Kong?
Hong Kong is 7 hours ahead of London on 211 days of the next 12 months, and 8 hours ahead of on 154 days. The gap moves because the two cities change their clocks on different dates, or only one of them does.
What time is it in Hong Kong when it is 9 AM in London?
Most of the year, 9 AM in London is 4:00 PM in Hong Kong. In the weeks when Hong Kong is 8 hours ahead of London, it is 5:00 PM.
What time is it in London when it is noon in Hong Kong?
Noon in Hong Kong is 5:00 AM in London for most of the year, and 4:00 AM in the weeks with the other gap.
When do London and Hong Kong change their clocks?
London changes its clocks on March 29 and October 25 in 2026 and on March 28 and October 31 in 2027. Hong Kong does not change its clocks: Hong Kong last used summer time in 1979. Between those dates the gap is 8 hours instead of 7 hours.
What are good hours for a call between London and Hong Kong?
It depends on the time of year. 8 hours apart (GMT with HKT): No shared office time. When London starts work at 9:00 AM, it is 5:00 PM in Hong Kong; when Hong Kong starts at 9:00 AM, it is 1:00 AM in London. 7 hours apart (BST with HKT): 1 hour of shared office time: 9:00 AM to 10:00 AM in London is 4:00 PM to 5:00 PM in Hong Kong. The times assume a 9 AM to 5 PM workday in both cities; early starts or late evenings widen the window.