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CAT to Dublin

-1h

CAT

CATSOURCE
UTC+02:00
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

Dublin

GMT
Ireland · UTC+01:00☀ DST active
HH11
:
MM00
  
11:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
CAT
Dublin
12:00 AM
11:00 PM-1
2:00 AM
1:00 AM
4:00 AM
3:00 AM
6:00 AM
5:00 AM
8:00 AM
7:00 AM
10:00 AM
9:00 AM
12:00 PM
11:00 AM
2:00 PM
1:00 PM
4:00 PM
3:00 PM
6:00 PM
5:00 PM
8:00 PM
7:00 PM
10:00 PM
9:00 PM

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

CAT and GMT on the World Map

The map below highlights the CAT (CAT) and GMT (Greenwich Mean Time) timezone regions across the globe.

CATGMTLondonDublinLisbonAccra
CAT Zone
GMT Zone

Explore all world timezones interactively →

GMTGreenwich 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

Time Conversion Guide: CAT to Dublin

CAT (Central Africa Time) operates on the Africa/Harare (UTC+02:00). Dublin, Ireland uses Greenwich Mean Time (UTC+00:00).

The time difference between CAT and Dublin is 60 minutes (+1h). When it's noon in CAT, it's 11:00 AM in Dublin.

Why Convert CAT to Dublin Time?

When planning a meeting or scheduling a call between CAT and Dublin, it's crucial to account for the 1-hour time difference. Whether you're coordinating with remote teams, calling family, or setting up an international conference, knowing the exact time in Dublin helps avoid missed connections.

Remember: Daylight Saving Time changes can affect the time difference between CAT and Dublin. Always double-check the current offset before scheduling important events.

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 CAT and Dublin

If you want to reach someone in Dublin during standard business hours (9 AM – 5 PM GMT), the best time to call from CAT would be:

  • Dublin 9:00 AM = CAT 10:00 AM
  • Dublin 12:00 PM = CAT 01:00 PM
  • Dublin 5:00 PM = CAT 06:00 PM

Business Hours Overlap

CAT and Dublin have a significant business hours overlap (7 hours), making real-time collaboration easy during standard working hours.

As a final note, managing the -1h difference between CAT and Dublin is simple with the right tools. Keep this page handy for all your future time conversion needs.

🕐 Daylight Saving Time Info

CAT

Does not observe DST

Dublin

☀ 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 CAT and Dublin?

Dublin is -1h from CAT.

What timezone is CAT in?

CAT operates on its local timezone.

What timezone is Dublin in?

Dublin operates on its local timezone.

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.

Related Timezone Conversions