9 AM GMT to GST
Greenwich Mean Time → Gulf Standard Time
Business hours overlap
GMT
9 AM
UTC+1
=
GST
12 PM
UTC+4
9 AM GMT (Greenwich Mean Time) equals 12 PM GST (Gulf Standard Time). This is a common time for meetings across time zones.
Live — GMT
00:11:12
Thursday, May 14
UTC+1
DST activeLive — GST
03:11:12
Thursday, May 14
UTC+4
Daylight Saving Time (DST)
- GMT (Greenwich Mean Time) observes DST — currently active (clocks are +1h ahead).
- DST transitions may shift this offset by ±1 hour twice per year.
24-Hour Comparison — GMT to GST
Click any row to jump to that hour's page.
12 AM6 AM12 PM6 PM11 PM
GMTGSTDayMeeting
12 AM
3 AM
–
Off hours
1 AM
4 AM
–
Off hours
2 AM
5 AM
–
Off hours
3 AM
6 AM
–
Off hours
4 AM
7 AM
–
Off hours
5 AM
8 AM
–
Early/Late
6 AM
9 AM
–
Early/Late
7 AM
10 AM
–
Early/Late
8 AM
11 AM
–
Good
9 AMthis
12 PM
–
Good
10 AM
1 PM
–
Good
11 AM
2 PM
–
Good
12 PM
3 PM
–
Good
1 PM
4 PM
–
Good
2 PM
5 PM
–
Good
3 PM
6 PM
–
Good
4 PM
7 PM
–
Early/Late
5 PM
8 PM
–
Early/Late
6 PM
9 PM
–
Early/Late
7 PM
10 PM
–
Off hours
8 PM
11 PM
–
Off hours
9 PM
12 AM
+1d
Off hours
10 PM
1 AM
+1d
Off hours
11 PM
2 AM
+1d
Off hours
Green = business hours overlap · Amber = partial · Red = off hours
All Hours — GMT to GST
Hub page →GMT ↔ GST Overview
Full 24-hour chart, live clocks, FAQ