Every hour of Tuesday, October 27, 2026, side by side. Days with a clock change show
23 or 25 rows.
Shaded rows fall inside working hours in both places.
Hourly comparison of the two time zones. Choose a time to load it in the converter.
Dubai (GST)
London (GMT)
Working hours
12:00 AM
8:00 PM previous day
1:00 AM
9:00 PM previous day
2:00 AM
10:00 PM previous day
3:00 AM
11:00 PM previous day
4:00 AM
12:00 AM
5:00 AM
1:00 AM
6:00 AM
2:00 AM
7:00 AM
3:00 AM
8:00 AM
4:00 AM
9:00 AM
5:00 AM
10:00 AM
6:00 AM
11:00 AM
7:00 AM
12:00 PM
8:00 AM
1:00 PM
9:00 AM
Both working
2:00 PM
10:00 AM
Both working
3:00 PM
11:00 AM
Both working
4:00 PM
12:00 PM
Both working
5:00 PM
1:00 PM
6:00 PM
2:00 PM
7:00 PM
3:00 PM
8:00 PM
4:00 PM
9:00 PM
5:00 PM
10:00 PM
6:00 PM
11:00 PM
7:00 PM
GST to UK time conversion table
Common GST times and their UK time equivalents.
The second column covers the part of the year when the clocks are on a different gap.
GST to UK time conversion table
Gulf Standard Time
BST 3 h behind, most of the year (210 days in 2026)
GMT 4 h behind, about 22 weeks in 2026
12:00 AM
9:00 PM (previous day)
8:00 PM (previous day)
6:00 AM
3:00 AM
2:00 AM
8:00 AM
5:00 AM
4:00 AM
9:00 AM
6:00 AM
5:00 AM
10:00 AM
7:00 AM
6:00 AM
12:00 PM
9:00 AM
8:00 AM
2:00 PM
11:00 AM
10:00 AM
3:00 PM
12:00 PM
11:00 AM
5:00 PM
2:00 PM
1:00 PM
6:00 PM
3:00 PM
2:00 PM
8:00 PM
5:00 PM
4:00 PM
10:00 PM
7:00 PM
6:00 PM
How the gap changes in 2026 and 2027
Each row is a stretch of days with one constant difference, split at every clock change.
Time difference periods between GST and UK time
Dates
GST
UK time
Difference
Thu, Jan 1, 2026 until Sun, Mar 29, 2026
GST
GMT
GMT 4 h behind
Sun, Mar 29, 2026 until Sun, Oct 25, 2026
GST
BST
BST 3 h behind
Sun, Oct 25, 2026 until Sun, Mar 28, 2027
GST
GMT
GMT 4 h behind
Sun, Mar 28, 2027 until Sun, Oct 31, 2027
GST
BST
BST 3 h behind
Sun, Oct 31, 2027 until Sat, Jan 1, 2028
GST
GMT
GMT 4 h behind
Upcoming clock changes
UK timeSunday, March 28, 2027: at 1:00 AM clocks go forward 1 hour to 2:00 AM
UK timeSunday, October 31, 2027: at 2:00 AM clocks go back 1 hour to 1:00 AM
UK timeSunday, March 26, 2028: at 1:00 AM clocks go forward 1 hour to 2:00 AM
About the two zones
Gulf Standard Time (GST)
Gulf Standard Time is UTC+4 all year. The UAE and Oman do not observe daylight saving time.
IANA zone
Asia/Dubai
Offset
UTC+4 all year
Used in
the United Arab Emirates and Oman
Major cities
Dubai, Abu Dhabi, Sharjah, Muscat
GST can also mean South Georgia Time (UTC−2). Here GST means Gulf Standard Time (Asia/Dubai).
UK time (GMT / BST)
UK time is Greenwich Mean Time (GMT, UTC+0) in winter and British Summer Time (BST, UTC+1) from the last Sunday in March to the last Sunday in October.