Hong Kong time to London time
London is 8 hours behind Hong Kong in January and 7 hours behind in July (Hong Kong GMT+8/UTC+08:00 in summer; London BST/UTC+01:00). Enter a Hong Kong time below to convert it, or leave it blank to see the current time in both cities.
How to use the Hong Kong to London time
- Type a Hong Kong time (24-hour) and optionally a date, or leave blank for now.
- Click Convert.
- Read the London time and the working-hours table.
Time difference between Hong Kong and London
London is 8 hours behind Hong Kong in January and 7 hours behind in July. London observes daylight saving time and Hong Kong does not, so the difference changes twice a year. Hong Kong uses Asia/Hong Kong time (UTC+08:00 in January, UTC+08:00 in July); London uses Europe/London (UTC+00:00 in January, UTC+01:00 in July).
Working week in Hong Kong and London
Hong Kong: Hong Kong Time, UTC+8 all year. Office hours 09:00–18:00; Saturday mornings are still worked in some firms.
London: Office hours 09:00–17:30, weekend Saturday–Sunday. Clocks go forward on the last Sunday of March (BST, UTC+1) and back on the last Sunday of October (GMT).
Quick conversion table (summer difference)
| Hong Kong | London |
|---|---|
| 08:00 | 01:00 |
| 09:00 | 02:00 |
| 10:00 | 03:00 |
| 12:00 | 05:00 |
| 14:00 | 07:00 |
| 16:00 | 09:00 |
| 18:00 | 11:00 |
| 20:00 | 13:00 |
| 22:00 | 15:00 |
Table uses the July difference; the tool above applies the exact rule for any date.
Best time to call between Hong Kong and London
Within normal office hours (09:00–18:00) in both cities: 16:00–17:00 Hong Kong time. For a compromise outside that window, the fairest slots are the ones nearest each side's start or end of day, alternating who takes the inconvenient hour.
Reverse
Need the other direction? See London to Hong Kong, or the general time zone converter.
Frequently asked questions
How many hours ahead is London from Hong Kong?
London is 8 hours behind Hong Kong in January and 7 hours behind in July.
When it is 12:00 noon in Hong Kong, what time is it in London?
05:00 in summer (the same or previous day); use the tool for a specific date.
Does the converter handle daylight saving?
Yes, for the exact date you enter, using the IANA time-zone rules in your browser.
Privacy
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Last updated 2026-09-23.