GST to GMT Converter

GMT is 4h 0m behind GST. When it's 12:00 PM GST, it's 8:00 AM GMT.

From

GST · UTC+4

8:09:51AM

Gulf Standard Time

e.g. Dubai

To

GMT · UTC

4:09:51AM

Greenwich Mean Time

e.g. London

Open in World ClockGMT → GST
9:00 AM GST=5:00 AM GMT
12:00 PM GST=8:00 AM GMT
5:00 PM GST=1:00 PM GMT

Hourly conversion (GST → GMT)

GSTGMT
12:00 AM8:00 PM(−1 day)
1:00 AM9:00 PM(−1 day)
2:00 AM10:00 PM(−1 day)
3:00 AM11:00 PM(−1 day)
4:00 AM12:00 AM
5:00 AM1:00 AM
6:00 AM2:00 AM
7:00 AM3:00 AM
8:00 AM4:00 AM
9:00 AM5:00 AM
10:00 AM6:00 AM
11:00 AM7:00 AM
12:00 PM8:00 AM
1:00 PM9:00 AM
2:00 PM10:00 AM
3:00 PM11:00 AM
4:00 PM12:00 PM
5:00 PM1:00 PM
6:00 PM2:00 PM
7:00 PM3:00 PM
8:00 PM4:00 PM
9:00 PM5:00 PM
10:00 PM6:00 PM
11:00 PM7:00 PM

Shaded rows are within standard working hours (8am–6pm) on both sides.

GMT (UTC+0) equals UTC. The UK uses BST (UTC+1) in summer.

More GST conversions

Frequently asked questions

What is the time difference between GST and GMT?
GMT is 4h 0m behind GST. GST is UTC+4 and GMT is UTC.
What is 12:00 PM GST in GMT?
12:00 PM GST is 8:00 AM GMT.
Does GST change for daylight saving time?
GST is a fixed offset of UTC+4 and does not itself change for daylight saving time.