London time to Hong Kong time
Hong Kong is 8 hours ahead of London in January and 7 hours ahead of in July (London BST/UTC+01:00 in summer; Hong Kong GMT+8/UTC+08:00). Enter a London time below to convert it, or leave it blank to see the current time in both cities.
How to use the London to Hong Kong time
- Type a London time (24-hour) and optionally a date, or leave blank for now.
- Click Convert.
- Read the Hong Kong time and the working-hours table.
Time difference between London and Hong Kong
Hong Kong is 8 hours ahead of London in January and 7 hours ahead of in July. London observes daylight saving time and Hong Kong does not, so the difference changes twice a year. London uses Europe/London time (UTC+00:00 in January, UTC+01:00 in July); Hong Kong uses Asia/Hong Kong (UTC+08:00 in January, UTC+08:00 in July).
Working week in London and Hong Kong
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).
Hong Kong: Hong Kong Time, UTC+8 all year. Office hours 09:00–18:00; Saturday mornings are still worked in some firms.
Quick conversion table (summer difference)
| London | Hong Kong |
|---|---|
| 08:00 | 15:00 |
| 09:00 | 16:00 |
| 10:00 | 17:00 |
| 12:00 | 19:00 |
| 14:00 | 21:00 |
| 16:00 | 23:00 |
| 18:00 | 01:00 (next day) |
| 20:00 | 03:00 (next day) |
| 22:00 | 05:00 (next day) |
Table uses the July difference; the tool above applies the exact rule for any date.
Best time to call between London and Hong Kong
Within normal office hours (09:00–18:00) in both cities: 9:00–10:00 London 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 Hong Kong to London, or the general time zone converter.
Frequently asked questions
How many hours ahead is Hong Kong from London?
Hong Kong is 8 hours ahead of London in January and 7 hours ahead of in July.
When it is 12:00 noon in London, what time is it in Hong Kong?
19:00 in summer (); 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.