Offset
The time difference between Greenwich Mean Time and Hong Kong Time is 7 hours.
Greenwich Mean Time (BST) is behind Hong Kong Time (HKT).
BST: UTC+1
HKT: UTC+8
Greenwich Mean Time is currently observing daylight saving time; Hong Kong Time is not.
When to schedule
Business-hours overlap: 9 AM–10 AM in Greenwich Mean Time (4 PM–5 PM in Hong Kong Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 9:00 AM Greenwich Mean Time (4:00 PM Hong Kong Time).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
United Kingdom
- Good FridayFri, Apr 3
- Early May Bank HolidayMon, May 4
- Spring Bank HolidayMon, May 25
- Christmas DayFri, Dec 25
- St. Stephen's DayMon, Dec 28
Hong Kong
- New Year's DayThu, Jan 1
- Lunar New YearTue, Feb 17
- Second day of Lunar New YearWed, Feb 18
- Third day of Lunar New YearThu, Feb 19
- Good FridayFri, Apr 3
- Holy SaturdaySat, Apr 4
- Ching Ming FestivalSat, Apr 4
- Easter MondayMon, Apr 6
- Labour DayFri, May 1
- Buddha's BirthdayMon, May 25
- Dragon Boat FestivalFri, Jun 19
- Hong Kong Special Administrative Region Establishment DayWed, Jul 1
- Day following the Mid-Autumn FestivalSat, Sep 26
- National DayThu, Oct 1
- Chung Yeung FestivalMon, Oct 19
- Christmas DayFri, Dec 25
- Boxing DaySat, Dec 26
About these zones
Greenwich Mean Time is also known as GMT, or BST. To call United Kingdom, dial +44.
Hong Kong Time is also known as HKT. To call Hong Kong, dial +852.
Hong Kong Time is approximately 6,000 miles northeast of Greenwich Mean Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| GMT | HKT | Day |
|---|---|---|
| 12:00 am | 7:00 am | Same day |
| 1:00 am | 8:00 am | Same day |
| 2:00 am | 9:00 am | Same day |
| 3:00 am | 10:00 am | Same day |
| 4:00 am | 11:00 am | Same day |
| 5:00 am | 12:00 pm | Same day |
| 6:00 am | 1:00 pm | Same day |
| 7:00 am | 2:00 pm | Same day |
| 8:00 am | 3:00 pm | Same day |
| 9:00 am | 4:00 pm | Same day |
| 10:00 am | 5:00 pm | Same day |
| 11:00 am | 6:00 pm | Same day |
| 12:00 pm | 7:00 pm | Same day |
| 1:00 pm | 8:00 pm | Same day |
| 2:00 pm | 9:00 pm | Same day |
| 3:00 pm | 10:00 pm | Same day |
| 4:00 pm | 11:00 pm | Same day |
| 5:00 pm | 12:00 am | +1 day |
| 6:00 pm | 1:00 am | +1 day |
| 7:00 pm | 2:00 am | +1 day |
| 8:00 pm | 3:00 am | +1 day |
| 9:00 pm | 4:00 am | +1 day |
| 10:00 pm | 5:00 am | +1 day |
| 11:00 pm | 6:00 am | +1 day |
Daylight saving time
Greenwich Mean Time observes daylight saving time; Hong Kong Time does not. The offset between the two zones changes when Greenwich Mean Time transitions: on Sunday, October 25, 2026, clocks fall back from BST to GMT.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 4:47 AM
- Sunset
- 9:13 PM
- Day length
- 16h 25m
- Sunrise
- 5:40 AM
- Sunset
- 7:06 PM
- Day length
- 13h 26m
Daylight overlap: 7h 18m — 4:47 AM–12:06 PM in Greenwich Mean Time (11:47 AM–7:06 PM in Hong Kong Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Greenwich Mean Time
Cities in Hong Kong Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Greenwich Mean Time
- LCY
- LGW
- LHR
- LTN
- STN
- BHX
- EMA
- GLA
- PIK
- LBA
Airports in Hong Kong Time
- HKG
Related conversions
Common conversions
- What is 9:00 am GMT in HKT?
- 9:00 am GMT is 4:00 pm HKT.
- What is 12:00 pm GMT in HKT?
- 12:00 pm GMT is 7:00 pm HKT.
- What is 12:30 pm GMT in HKT?
- 12:30 pm GMT is 7:30 pm HKT.
- What is 2:00 pm GMT in HKT?
- 2:00 pm GMT is 9:00 pm HKT.
- What is 5:00 pm GMT in HKT?
- 5:00 pm GMT is 12:00 am HKT, the next day.
- What is 11:30 pm GMT in HKT?
- 11:30 pm GMT is 6:30 am HKT, the next day.