Offset
The time difference between Lanzhou and Greenwich Mean Time is 7 hours.
Lanzhou (CST) is ahead of Greenwich Mean Time (BST).
CST: UTC+8
BST: UTC+1
Greenwich Mean Time is currently observing daylight saving time; Lanzhou is not.
When to schedule
Business-hours overlap: 4 PM–5 PM in Lanzhou (9 AM–10 AM in Greenwich Mean Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 4:00 PM Lanzhou (9:00 AM Greenwich Mean 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.
China
- New Year's DayThu, Jan 1
- Chinese New Year (Spring Festival)Tue, Feb 17
- Labour DayFri, May 1
- Dragon Boat FestivalFri, Jun 19
- Mid-Autumn FestivalFri, Sep 25
- National DayThu, Oct 1
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
About these zones
Lanzhou uses China Standard Time (CST). To call China, dial +86.
Greenwich Mean Time is also known as GMT, or BST. To call United Kingdom, dial +44.
Greenwich Mean Time is approximately 4,850 miles northwest of Lanzhou.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Lanzhou | GMT | Day |
|---|---|---|
| 12:00 am | 5:00 pm | -1 day |
| 1:00 am | 6:00 pm | -1 day |
| 2:00 am | 7:00 pm | -1 day |
| 3:00 am | 8:00 pm | -1 day |
| 4:00 am | 9:00 pm | -1 day |
| 5:00 am | 10:00 pm | -1 day |
| 6:00 am | 11:00 pm | -1 day |
| 7:00 am | 12:00 am | Same day |
| 8:00 am | 1:00 am | Same day |
| 9:00 am | 2:00 am | Same day |
| 10:00 am | 3:00 am | Same day |
| 11:00 am | 4:00 am | Same day |
| 12:00 pm | 5:00 am | Same day |
| 1:00 pm | 6:00 am | Same day |
| 2:00 pm | 7:00 am | Same day |
| 3:00 pm | 8:00 am | Same day |
| 4:00 pm | 9:00 am | Same day |
| 5:00 pm | 10:00 am | Same day |
| 6:00 pm | 11:00 am | Same day |
| 7:00 pm | 12:00 pm | Same day |
| 8:00 pm | 1:00 pm | Same day |
| 9:00 pm | 2:00 pm | Same day |
| 10:00 pm | 3:00 pm | Same day |
| 11:00 pm | 4:00 pm | Same day |
Daylight saving time
Greenwich Mean Time observes daylight saving time; Lanzhou 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
- 5:48 AM
- Sunset
- 8:22 PM
- Day length
- 14h 33m
- Sunrise
- 4:45 AM
- Sunset
- 9:17 PM
- Day length
- 16h 32m
Daylight overlap: 8h 37m — 11:45 AM–8:22 PM in Lanzhou (4:45 AM–1:22 PM in Greenwich Mean Time). Both locations are in daylight during this window.
Cities in these zones
Other cities in China Standard Time
Cities in Greenwich Mean Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in China Standard Time
- PVG
- SHA
- PEK
- PKX
- SZX
- CAN
- FUO
- CTU
- TFU
- TSN
Airports in Greenwich Mean Time
- LCY
- LGW
- LHR
- LTN
- STN
- BHX
- EMA
- GLA
- PIK
- LBA
Related conversions
Common conversions
- What is 9:00 am Lanzhou in GMT?
- 9:00 am Lanzhou is 2:00 am GMT.
- What is 12:00 pm Lanzhou in GMT?
- 12:00 pm Lanzhou is 5:00 am GMT.
- What is 12:30 pm Lanzhou in GMT?
- 12:30 pm Lanzhou is 5:30 am GMT.
- What is 2:00 pm Lanzhou in GMT?
- 2:00 pm Lanzhou is 7:00 am GMT.
- What is 5:00 pm Lanzhou in GMT?
- 5:00 pm Lanzhou is 10:00 am GMT.
- What is 11:30 pm Lanzhou in GMT?
- 11:30 pm Lanzhou is 4:30 pm GMT.