World Timezones

GST to GMT Converter

Compare GMT to GST instead
Gulf Standard Time8:36 amFri, Jun 5
Gulf Standard TimeGST
Middle East · UTC+4
8:36 amFri, Jun 5
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
Greenwich Mean TimeBST
Europe · UTC+1
5:36 amFri, Jun 5
9p
10p
11p
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p

Offset

The time difference between Gulf Standard Time and Greenwich Mean Time is 3 hours.

3 hours

Gulf Standard Time (GST) is ahead of Greenwich Mean Time (BST).

GST: UTC+4

BST: UTC+1

Greenwich Mean Time is currently observing daylight saving time; Gulf Standard Time is not.

When to schedule

Business-hours overlap: 12 PM–5 PM in Gulf Standard Time (9 AM–2 PM in Greenwich Mean Time).

Both teams are in working hours during this window on weekdays.

Suggested time: 2:00 PM Gulf Standard Time (11:00 AM Greenwich Mean Time).

This window may shift by an hour during daylight saving time.

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

United Kingdom

  • Good FridayFri, Apr 3
  • Early May Bank HolidayMon, May 4
  • Spring Bank HolidayMon, May 25
  • Christmas DayFri, Dec 25
  • St. Stephen's DayMon, Dec 28

About these zones

Gulf Standard Time is also known as GST. To call United Arab Emirates, dial +971.

Greenwich Mean Time is also known as GMT, or BST. To call United Kingdom, dial +44.

Greenwich Mean Time is approximately 3,400 miles northwest of Gulf Standard Time.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

GSTGMTDay
12:00 am9:00 pm-1 day
1:00 am10:00 pm-1 day
2:00 am11:00 pm-1 day
3:00 am12:00 amSame day
4:00 am1:00 amSame day
5:00 am2:00 amSame day
6:00 am3:00 amSame day
7:00 am4:00 amSame day
8:00 am5:00 amSame day
9:00 am6:00 amSame day
10:00 am7:00 amSame day
11:00 am8:00 amSame day
12:00 pm9:00 amSame day
1:00 pm10:00 amSame day
2:00 pm11:00 amSame day
3:00 pm12:00 pmSame day
4:00 pm1:00 pmSame day
5:00 pm2:00 pmSame day
6:00 pm3:00 pmSame day
7:00 pm4:00 pmSame day
8:00 pm5:00 pmSame day
9:00 pm6:00 pmSame day
10:00 pm7:00 pmSame day
11:00 pm8:00 pmSame day

Daylight saving time

Greenwich Mean Time observes daylight saving time; Gulf Standard Time does not. The offset between the two zones changes when Greenwich Mean Time transitions: on Sunday, October 25, 2026, clocks fall back from BST to GMT.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Gulf Standard Time
Sunrise
5:29 AM
Sunset
7:07 PM
Day length
13h 38m
Greenwich Mean Time
Sunrise
4:47 AM
Sunset
9:13 PM
Day length
16h 25m

Daylight overlap: 11h 20m — 7:47 AM–7:07 PM in Gulf Standard Time (4:47 AM–4:07 PM in Greenwich Mean Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Gulf Standard Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Gulf Standard Time

  • DWC
  • DXB
  • SHJ
  • AUH

Airports in Greenwich Mean Time

  • LCY
  • LGW
  • LHR
  • LTN
  • STN
  • BHX
  • EMA
  • GLA
  • PIK
  • LBA

Related conversions

Common conversions

What is 9:00 am GST in GMT?
9:00 am GST is 6:00 am GMT.
What is 12:00 pm GST in GMT?
12:00 pm GST is 9:00 am GMT.
What is 12:30 pm GST in GMT?
12:30 pm GST is 9:30 am GMT.
What is 2:00 pm GST in GMT?
2:00 pm GST is 11:00 am GMT.
What is 5:00 pm GST in GMT?
5:00 pm GST is 2:00 pm GMT.
What is 11:30 pm GST in GMT?
11:30 pm GST is 8:30 pm GMT.