World Timezones

GMT to Riyadh Converter

Compare Riyadh to GMT instead
Greenwich Mean Time11:28 pmFri, Jun 5
Greenwich Mean TimeBST
Europe · UTC+1
11:28 pmFri, Jun 5
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RiyadhAST
Saudi Arabia · UTC+3
1:28 amSat, Jun 6
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Offset

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

2 hours

Greenwich Mean Time (BST) is behind Riyadh (AST).

BST: UTC+1

AST: UTC+3

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

When to schedule

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

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

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

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

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

Riyadh uses Arabia Standard Time (AST). To call Saudi Arabia, dial +966.

Riyadh is approximately 3,050 miles east of Greenwich Mean Time.

Quick reference

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

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

Daylight saving time

Greenwich Mean Time observes daylight saving time; Riyadh 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

Greenwich Mean Time
Sunrise
4:47 AM
Sunset
9:13 PM
Day length
16h 25m
Riyadh
Sunrise
5:04 AM
Sunset
6:41 PM
Day length
13h 36m

Cities in these zones

Other cities in Arabia Standard Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Greenwich Mean Time

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

Airports in Arabia Standard Time

  • JED
  • RUH
  • MED
  • DMM

Related conversions

Common conversions

What is 9:00 am GMT in Riyadh?
9:00 am GMT is 11:00 am Riyadh.
What is 12:00 pm GMT in Riyadh?
12:00 pm GMT is 2:00 pm Riyadh.
What is 12:30 pm GMT in Riyadh?
12:30 pm GMT is 2:30 pm Riyadh.
What is 2:00 pm GMT in Riyadh?
2:00 pm GMT is 4:00 pm Riyadh.
What is 5:00 pm GMT in Riyadh?
5:00 pm GMT is 7:00 pm Riyadh.
What is 11:30 pm GMT in Riyadh?
11:30 pm GMT is 1:30 am Riyadh, the next day.