What is CST (China) in GMT?
Greenwich Mean Time is 8 hours behind
China Standard Time is on UTC+8:00 and Greenwich Mean Time is on UTC+0:00 right now. That gap holds all year, because both zones change their clocks together.
- Time in Beijing
- 10:15 am
- Time in Greenwich
- 2:15 am
- Difference
- −8 h
- Next clock change
- Neither zone
Convert a time
GMT — Greenwich Mean Time
2:00 am
Wed
Daylight saving
China Standard Time
China Standard Time stays on CST all year, so its offset from UTC never moves.
Greenwich Mean Time
Greenwich Mean Time stays on GMT all year, so its offset from UTC never moves.
CST (China) to GMT conversion table
Every hour of Wednesday, September 23, 2026, converted from China Standard Time to Greenwich Mean Time. 8 of the 24 hours fall on a different calendar day in Greenwich, which is marked.
- 12:00 am CST
- 4:00 pm GMT−1 day
- 1:00 am CST
- 5:00 pm GMT−1 day
- 2:00 am CST
- 6:00 pm GMT−1 day
- 3:00 am CST
- 7:00 pm GMT−1 day
- 4:00 am CST
- 8:00 pm GMT−1 day
- 5:00 am CST
- 9:00 pm GMT−1 day
- 6:00 am CST
- 10:00 pm GMT−1 day
- 7:00 am CST
- 11:00 pm GMT−1 day
- 8:00 am CST
- 12:00 am GMT
- 9:00 am CST
- 1:00 am GMT
- 10:00 am CST
- 2:00 am GMT
- 11:00 am CST
- 3:00 am GMT
- 12:00 pm CST
- 4:00 am GMT
- 1:00 pm CST
- 5:00 am GMT
- 2:00 pm CST
- 6:00 am GMT
- 3:00 pm CST
- 7:00 am GMT
- 4:00 pm CST
- 8:00 am GMT
- 5:00 pm CST
- 9:00 am GMT
- 6:00 pm CST
- 10:00 am GMT
- 7:00 pm CST
- 11:00 am GMT
- 8:00 pm CST
- 12:00 pm GMT
- 9:00 pm CST
- 1:00 pm GMT
- 10:00 pm CST
- 2:00 pm GMT
- 11:00 pm CST
- 3:00 pm GMT
Scheduling between the two
Working hours overlap from 5:00 pm to 6:00 pm CST, which is 9:00 am to 10:00 am GMT. Anything inside that window falls in the normal working day at both ends.
A note on CST (China): it can also mean the abbreviation CST is shared with US Central Time and Cuba Standard Time.
China Standard Time (CST) is used in the whole of China, which runs on one offset from Kashgar to Shanghai
Greenwich Mean Time (GMT) is used in as a fixed UTC+0 offset. Note that the UK itself leaves GMT every summer — see British Time below.