What is GST in GMT?
Greenwich Mean Time is 4 hours behind
Gulf Standard Time is on UTC+4:00 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 Dubai
- 6:56 am
- Time in Greenwich
- 2:56 am
- Difference
- −4 h
- Next clock change
- Neither zone
Convert a time
GMT — Greenwich Mean Time
2:00 am
Wed
Daylight saving
Gulf Standard Time
Gulf Standard Time stays on GST 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.
GST to GMT conversion table
Every hour of Wednesday, September 23, 2026, converted from Gulf Standard Time to Greenwich Mean Time. 4 of the 24 hours fall on a different calendar day in Greenwich, which is marked.
- 12:00 am GST
- 8:00 pm GMT−1 day
- 1:00 am GST
- 9:00 pm GMT−1 day
- 2:00 am GST
- 10:00 pm GMT−1 day
- 3:00 am GST
- 11:00 pm GMT−1 day
- 4:00 am GST
- 12:00 am GMT
- 5:00 am GST
- 1:00 am GMT
- 6:00 am GST
- 2:00 am GMT
- 7:00 am GST
- 3:00 am GMT
- 8:00 am GST
- 4:00 am GMT
- 9:00 am GST
- 5:00 am GMT
- 10:00 am GST
- 6:00 am GMT
- 11:00 am GST
- 7:00 am GMT
- 12:00 pm GST
- 8:00 am GMT
- 1:00 pm GST
- 9:00 am GMT
- 2:00 pm GST
- 10:00 am GMT
- 3:00 pm GST
- 11:00 am GMT
- 4:00 pm GST
- 12:00 pm GMT
- 5:00 pm GST
- 1:00 pm GMT
- 6:00 pm GST
- 2:00 pm GMT
- 7:00 pm GST
- 3:00 pm GMT
- 8:00 pm GST
- 4:00 pm GMT
- 9:00 pm GST
- 5:00 pm GMT
- 10:00 pm GST
- 6:00 pm GMT
- 11:00 pm GST
- 7:00 pm GMT
Scheduling between the two
Working hours overlap from 1:00 pm to 6:00 pm GST, which is 9:00 am to 2:00 pm GMT. Anything inside that window falls in the normal working day at both ends.
Gulf Standard Time (GST) is used in the UAE and Oman
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.