World Timezones

AST to GMT Converter

Compare GMT to AST instead
Arabia Standard Time7:36 amFri, Jun 5
Arabia Standard TimeAST
Middle East · UTC+3
7:36 amFri, Jun 5
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Greenwich Mean TimeBST
Europe · UTC+1
5:36 amFri, Jun 5
10p
11p
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Offset

The time difference between Arabia Standard Time and Greenwich Mean Time is 2 hours.

2 hours

Arabia Standard Time (AST) is ahead of Greenwich Mean Time (BST).

AST: UTC+3

BST: UTC+1

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

When to schedule

Business-hours overlap: 11 AM–5 PM in Arabia Standard Time (9 AM–3 PM in Greenwich Mean Time).

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

Suggested time: 2:00 PM Arabia Standard Time (12:00 PM Greenwich Mean Time).

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

Note: the working week in Saudi Arabia runs Sunday–Thursday; Friday–Saturday is the weekend, so overlap on those days is limited.

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

Arabia Standard Time is also known as AST. To call Saudi Arabia, dial +966.

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

Greenwich Mean Time is approximately 3,050 miles northwest of Arabia Standard Time.

Quick reference

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

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

Daylight saving time

Greenwich Mean Time observes daylight saving time; Arabia 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

Arabia Standard Time
Sunrise
5:05 AM
Sunset
6:41 PM
Day length
13h 36m
Greenwich Mean Time
Sunrise
4:47 AM
Sunset
9:13 PM
Day length
16h 25m

Daylight overlap: 11h 53m — 6:47 AM–6:41 PM in Arabia Standard Time (4:47 AM–4:41 PM in Greenwich Mean Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Arabia Standard Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Arabia Standard Time

  • JED
  • RUH
  • MED
  • DMM

Airports in Greenwich Mean Time

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

Related conversions

Common conversions

What is 9:00 am AST in GMT?
9:00 am AST is 7:00 am GMT.
What is 12:00 pm AST in GMT?
12:00 pm AST is 10:00 am GMT.
What is 12:30 pm AST in GMT?
12:30 pm AST is 10:30 am GMT.
What is 2:00 pm AST in GMT?
2:00 pm AST is 12:00 pm GMT.
What is 5:00 pm AST in GMT?
5:00 pm AST is 3:00 pm GMT.
What is 11:30 pm AST in GMT?
11:30 pm AST is 9:30 pm GMT.