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Saudi Arabia to Ireland

-2h

Saudi Arabia

ASTSOURCE
UTC+03:00
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

Ireland

IST
UTC+01:00☀ DST active
HH10
:
MM00
  
10:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Saudi Arabia
Ireland
12:00 AM
10:00 PM-1
2:00 AM
12:00 AM
4:00 AM
2:00 AM
6:00 AM
4:00 AM
8:00 AM
6:00 AM
10:00 AM
8:00 AM
12:00 PM
10:00 AM
2:00 PM
12:00 PM
4:00 PM
2:00 PM
6:00 PM
4:00 PM
8:00 PM
6:00 PM
10:00 PM
8:00 PM

Green rows indicate typical business hours (9 AM - 5 PM)

AST and IST on the World Map

The map below highlights the AST (Arabia Standard Time) and IST (Greenwich Mean Time) timezone regions across the globe.

ASTISTRiyadhJeddahDohaKuwait CityLondonDublinLisbonAccra
AST Zone
→
IST Zone

Explore all world timezones interactively →

AST – Arabia Standard Time

UTC+03:00

Arabia Standard Time (AST, UTC+03:00) is the time zone for Saudi Arabia and the other Gulf states of the Arabian peninsula.

Countries in AST
Saudi ArabiaQatarKuwaitBahrainIraqYemen
Major Cities in AST
RiyadhJeddahDohaKuwait CityBaghdad
Key Facts about AST
  • •None of the Gulf states on Arabia Standard Time observe daylight saving.
  • •AST is the same offset as Moscow Standard Time and East Africa Time.
  • •Riyadh is one hour ahead of Central European Time in winter.
  • •The AST abbreviation is shared with Atlantic Standard Time (UTC-04:00).
Daylight Saving:No – UTC+03:00 year-round
Learn more about AST on Wikipedia

GMT – Greenwich Mean Time

UTC+00:00

Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is the same as UTC+00:00.

Countries in GMT
United KingdomIrelandIcelandPortugal (mainland)GhanaSenegalMaliMauritaniaGambiaGuineaSierra LeoneLiberiaIvory CoastBurkina FasoMorocco (historically)
Major Cities in GMT
LondonDublinLisbonAccraReykjavikEdinburghCasablancaDakarBamakoAbidjanConakryFreetownMonrovia
Key Facts about GMT
  • •GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London.
  • •The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
  • •GMT and UTC are often used interchangeably, but UTC is based on atomic clocks.
  • •Iceland uses GMT year-round and never observes daylight saving time.
  • •The UK switches from GMT to BST (British Summer Time) in late March each year.
Daylight Saving:Yes – switches to BST
Learn more about GMT on Wikipedia

Understanding the -2h Gap: Saudi Arabia vs Ireland

Saudi Arabia runs on Arabian Standard Time (AST) at UTC+03:00. Ireland runs on Irish Standard Time (IST) at UTC+01:00, also currently on daylight saving time. That puts Saudi Arabia 2 hours behind Ireland — a difference of -2h at the current offsets.

In practice, when it is 9:00 AM in Saudi Arabia it is 7:00 AM in Ireland. Midnight in Saudi Arabia is 10:00 PM in Ireland.Ireland observes daylight saving time while Saudi Arabia does not, so the gap narrows or widens by an hour part of the year.

Saudi Arabia to Ireland time conversion table

Saudi Arabia (AST)Ireland (IST)Day
12:00 AM10:00 PMprevious 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
12:00 PM10:00 AMsame day
3:00 PM1:00 PMsame day
5:00 PM3:00 PMsame day
6:00 PM4:00 PMsame day
9:00 PM7:00 PMsame day

Why people convert Saudi Arabia to Ireland time

  • Scheduling a call from Saudi Arabia to Ireland: a 10:00 AM start in Saudi Arabia lands at 8:00 AM in Ireland, so you can confirm the slot without doing the arithmetic yourself.
  • Finding shared working hours: both Saudi Arabia and Ireland are inside the 9-to-5 working day between 11:00 AM and 5:00 PM AST time (9:00 AM–3:00 PM IST). That is roughly 6 hours of usable overlap.
  • Keeping family and friends in sync: knowing that 8:00 PM in Saudi Arabia is 6:00 PM in Ireland makes it easy to avoid calling at 3 AM.
  • Always state the zone abbreviation, not just the hour. "3:00 PM AST" is unambiguous; "3 PM" across a -2h gap is not.
  • Block 11:00 AM–5:00 PM AST as the recurring meeting window if you work primarily from Saudi Arabia and need Ireland colleagues present.
  • Ireland: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.

About AST (Arabia Standard Time)

Arabia Standard Time (AST) is fixed at UTC+03:00 all year across Saudi Arabia, Qatar, Kuwait, Bahrain, Iraq and Yemen. None of these countries observes daylight saving time, so the offset never changes. The abbreviation collides with Atlantic Standard Time (UTC-04:00) used in eastern Canada and the Caribbean; this page covers the Arabian peninsula meaning. Arabia Standard Time is the same offset as Moscow Standard Time and East Africa Time, which makes scheduling with Europe straightforward — Riyadh is one hour ahead of Central European Time in winter and level with it during European summer time.

About GMT (Greenwich Mean Time)

Greenwich Mean Time (GMT) is the clock time at the Royal Observatory in Greenwich, London, which sits on the Prime Meridian (0° longitude). GMT serves as the reference point from which all other time zones are calculated. The United Kingdom uses GMT during winter months and switches to British Summer Time (BST, UTC+01:00) from late March to late October. Several West African nations use GMT year-round. GMT is often used interchangeably with UTC (Coordinated Universal Time), although technically they are different – UTC is based on atomic clocks while GMT is based on Earth's rotation.

Best time to call between Saudi Arabia and Ireland

Both Saudi Arabia and Ireland sit inside the 9 AM – 5 PM working day between 11:00 AM–5:00 PM AST, which is 9:00 AM–3:00 PM IST. That gives roughly 6 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Saudi Arabia and Ireland share 6 hours of working-hours overlap (11:00 AM–5:00 PM AST), so scheduling a live meeting is straightforward.

Saudi Arabia is 2 hours behind Ireland (AST UTC+03:00 → IST UTC+01:00). The shared working window is 11:00 AM–5:00 PM AST. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

Saudi Arabia

Does not observe DST

Ireland

☀ Currently in DST

Standard: UTC+00:00 · DST: UTC+01:00

Clocks fall back on Sun, Oct 25, 2026

Frequently Asked Questions

What is the time difference between Saudi Arabia and Ireland?

Saudi Arabia (AST, UTC+03:00) is 2 hours behind Ireland (IST, UTC+01:00). The gap is currently -2h.

How do I convert Saudi Arabia time to Ireland time?

Add -2h to Saudi Arabia local time. For example, 9:00 AM in Saudi Arabia is 7:00 AM in Ireland.

What time is it in Ireland right now?

Ireland uses IST at UTC+01:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -2h offset from Saudi Arabia.

What is the best time to call Ireland from Saudi Arabia?

Call between 11:00 AM and 5:00 PM AST — that maps to 9:00 AM–3:00 PM IST and keeps both parties inside the working day.

Which is behind, Saudi Arabia or Ireland?

Saudi Arabia is 2 hours behind Ireland. When it is 12:00 PM in Saudi Arabia it is 10:00 AM in Ireland.

Do Saudi Arabia and Ireland use different time zones?

Saudi Arabia (Saudi Arabia) uses AST at UTC+03:00, while Ireland (Ireland) uses IST at UTC+01:00. The IANA identifiers are Asia/Riyadh and Europe/Dublin.

Does daylight saving time affect the Saudi Arabia–Ireland difference?

Yes at the moment: Ireland is on daylight saving time and Saudi Arabia is not, so the -2h gap shifts by an hour when exactly one of them changes clocks.

Which other cities share Saudi Arabia's time zone?

AST also covers Riyadh, Jeddah, Doha, Kuwait City, Baghdad.

Which countries use AST, Saudi Arabia's zone?

AST is used in Saudi Arabia, Qatar, Kuwait, Bahrain, Iraq, Yemen.

Is there a day difference between Saudi Arabia and Ireland?

Not normally. The -2h gap only pushes the date over the previous day.

What is the time difference between Saudi Arabia and Ireland?

Ireland is -2h from Saudi Arabia.

What timezone is Saudi Arabia in?

Saudi Arabia operates on its local timezone.

What timezone is Ireland in?

Ireland operates on its local timezone.

Which countries use AST (Arabia Standard Time)?

AST is used in Saudi Arabia, Qatar, Kuwait, Bahrain, Iraq, Yemen.

Does AST observe daylight saving time?

No, AST does not observe daylight saving time and remains at UTC+03:00 year-round.

What are some interesting facts about AST?

None of the Gulf states on Arabia Standard Time observe daylight saving. AST is the same offset as Moscow Standard Time and East Africa Time.

Which cities are in the GMT timezone?

Major cities in the GMT timezone include London, Dublin, Lisbon, Accra, Reykjavik, Edinburgh, Casablanca, Dakar.

What is the UTC offset for GMT?

Greenwich Mean Time (GMT) is at UTC+00:00. During daylight saving time, it shifts to BST.

What should I know about the GMT timezone?

GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London. The Royal Observatory in Greenwich has been the reference point for GMT since 1884.

When is it midnight in Saudi Arabia, what time is it in Ireland?

When it is 12:00 AM (midnight) in Saudi Arabia (AST), it is -2h later in Ireland (GMT).