Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

Dublin to Lagos

+0h

Dublin

ISTSOURCE

Ireland · UTC+01:00☀ DST active

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Lagos

WAT

Nigeria · UTC+01:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Dublin

Lagos

12:00 AM

2:00 AM

4:00 AM

6:00 AM

8:00 AM

10:00 AM

12:00 PM

2:00 PM

4:00 PM

6:00 PM

8:00 PM

10:00 PM

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

IST and WAT on the World Map

The map below highlights the IST (Greenwich Mean Time) and WAT (West Africa Time) timezone regions across the globe.

IST Zone

→

WAT Zone

Explore all world timezones interactively →

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

WAT – West Africa Time

UTC+01:00

West Africa Time (WAT) is the time zone for West and Central Africa, 1 hour ahead of UTC.

Countries in WAT

NigeriaCameroonChadCongoAngolaNigerGabonEquatorial Guinea

Major Cities in WAT

LagosAbujaDoualaYaoundéLuandaKinshasaBrazzaville

Key Facts about WAT

•Lagos, Nigeria is the most populous city in Africa.
•WAT is the same offset as CET (UTC+01:00).
•Nigeria does not observe daylight saving time.

Daylight Saving:No – UTC+01:00 year-round

Learn more about WAT on Wikipedia

About Lagos

Wikipedia

Lagos operates on West Africa Time (WAT), UTC+1. As Africa's largest city and Nigeria's economic hub, Lagos is the center of African fintech innovation.

Population:15.4 million

Metro:21.3 million

Business Hours:8:00 AM - 5:00 PM WAT

Currency:NGN (₦)

Stock Exchange:NGX (Nigerian Exchange)

Key Landmarks

Nike Art GalleryLekki Conservation CentreNational MuseumTarkwa Bay BeachFreedom Park

Did You Know?

Lagos is one of the fastest-growing cities in the world and Africa's largest city.

Learn more about WAT timezone →

Understanding the +0h Gap: Dublin vs Lagos

Dublin runs on Irish Standard Time (IST) at UTC+01:00, currently observing daylight saving time. Lagos runs on West Africa Time (WAT) at UTC+01:00. That puts Dublin no time difference Lagos — a difference of +0h at the current offsets.

In practice, when it is 9:00 AM in Dublin it is 9:00 AM in Lagos. Midnight in Dublin is 12:00 AM in Lagos.Dublin observes daylight saving time while Lagos does not, so the gap narrows or widens by an hour part of the year.

Dublin to Lagos time conversion table

Dublin (IST)	Lagos (WAT)	Day
12:00 AM	12:00 AM	same day
6:00 AM	6:00 AM	same day
7:00 AM	7:00 AM	same day
8:00 AM	8:00 AM	same day
9:00 AM	9:00 AM	same day
12:00 PM	12:00 PM	same day
3:00 PM	3:00 PM	same day
5:00 PM	5:00 PM	same day
6:00 PM	6:00 PM	same day
9:00 PM	9:00 PM	same day

Why people convert Dublin to Lagos time

Scheduling a call from Dublin to Lagos: a 10:00 AM start in Dublin lands at 10:00 AM in Lagos, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Dublin and Lagos are inside the 9-to-5 working day between 9:00 AM and 5:00 PM IST time (9:00 AM–5:00 PM WAT). That is roughly 8 hours of usable overlap.
Booking travel or deliveries: tracking Lagos local time against Dublin keeps pickup windows and arrival estimates honest across the +0h offset.

Always state the zone abbreviation, not just the hour. "3:00 PM IST" is unambiguous; "3 PM" across a +0h gap is not.
Block 9:00 AM–5:00 PM IST as the recurring meeting window if you work primarily from Dublin and need Lagos colleagues present.
Dublin: Clocks fall back on Sun, Oct 25, 2026. Re-check this page after that date because the offset changes and so does the +0h gap.

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.

About WAT (West Africa Time)

West Africa Time (WAT) is used across much of West and Central Africa, including Nigeria, the most populous country in Africa. WAT does not observe daylight saving time and shares the same offset as Central European Time (CET).

Best time to call between Dublin and Lagos

Both Dublin and Lagos sit inside the 9 AM – 5 PM working day between 9:00 AM–5:00 PM IST, which is 9:00 AM–5:00 PM WAT. That gives roughly 8 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Dublin and Lagos share 8 hours of working-hours overlap (9:00 AM–5:00 PM IST), so scheduling a live meeting is straightforward.

Dublin is no time difference Lagos (IST UTC+01:00 → WAT UTC+01:00). The shared working window is 9:00 AM–5:00 PM IST. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

Dublin

☀ Currently in DST

Standard: UTC+00:00 · DST: UTC+01:00

Clocks fall back on Sun, Oct 25, 2026

Lagos

Does not observe DST

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Dublin and Lagos?

Dublin (IST, UTC+01:00) is no time difference Lagos (WAT, UTC+01:00). The gap is currently +0h.

How do I convert Dublin time to Lagos time?

Add +0h to Dublin local time. For example, 9:00 AM in Dublin is 9:00 AM in Lagos.

What time is it in Lagos right now?

Lagos uses WAT at UTC+01:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +0h offset from Dublin.

What is the best time to call Lagos from Dublin?

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

Which is ahead, Dublin or Lagos?

Dublin and Lagos are currently on the same clock.

Do Dublin and Lagos use different time zones?

Dublin (Ireland) uses IST at UTC+01:00, while Lagos (Nigeria) uses WAT at UTC+01:00. The IANA identifiers are Europe/Dublin and Africa/Lagos.

Does daylight saving time affect the Dublin–Lagos difference?

Yes at the moment: Dublin is on daylight saving time and Lagos is not, so the +0h gap shifts by an hour when exactly one of them changes clocks.

Which other cities share Dublin's time zone?

IST also covers London, Dublin, Lisbon, Accra, Reykjavik, Edinburgh, Casablanca, Dakar and 5 more.

Which countries use IST, Dublin's zone?

IST is used in United Kingdom, Ireland, Iceland, Portugal (mainland), Ghana, Senegal, Mali, Mauritania and 7 more.

What is the time difference between Dublin and Lagos?

Lagos is +0h from Dublin.

What timezone is Dublin in?

Dublin operates on its local timezone.

What timezone is Lagos in?

Lagos operates on West Africa Time (WAT), UTC+1. As Africa's largest city and Nigeria's economic hub, Lagos is the center of African fintech innovation.

What are the business hours in Lagos?

Standard business hours in Lagos are 8:00 AM - 5:00 PM WAT.

Which countries use GMT (Greenwich Mean Time)?

GMT is used in United Kingdom, Ireland, Iceland, Portugal (mainland), Ghana, Senegal, and 9 more countries.

Does GMT observe daylight saving time?

Yes, GMT switches to BST during summer months.

What are some interesting 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.