Hong Kong is 7 hours ahead of London. When Hong Kong clocks hit noon, London reads 05:00.
Hong Kong is in the Asia/Hong_Kong timezone. London is in Europe/London. The difference is 7 hours.
Daily overlap window
Every working day, Hong Kong and London are both in business hours for 1 hour simultaneously.
00:0006:0012:0018:0024:00
Hong Kong
London
Overlap (1h)
When to schedule across time zones
Both Hong Kong and London are in standard hours simultaneously for 1h per day.
16:00 Hong Kong / 09:00 London✓ Both working
Based on standard 09:00–17:00 working hours in each location's local time.
Holiday calendar for both locations
⚡ Both locations have upcoming holidays, check availability before scheduling.
Hong Kong7 holidays
Jun 19Dragon Boat FestivalSOON
Jul 1Hong Kong Special Administrative Region Establishment Day
Sep 26Day following the Mid-Autumn Festival
Oct 1National Day
Oct 19Chung Yeung Festival
London7 holidays
Jun 15World Cup Bank HolidaySOON
Jul 13Battle of the Boyne
Aug 3Summer Bank Holiday
Aug 31Summer Bank Holiday
Nov 30Saint Andrew's Day
Working across Hong Kong and London
Working across Hong Kong (Hong Kong) and London (United Kingdom) involves a 7-hour gap. The good news: there is a 1-hour mutual window in standard business hours that lets both sides collaborate without anyone joining at an unreasonable hour.
💡 Best practice for cross-timezone meetings
✅
16:00–17:00 in Hong Kong = 09:00–10:00 in London. Both sides are in standard business hours during this window.
DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.
Use the time slider above to find the exact equivalent time for any moment in Hong Kong. The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.
