Dublin to Accra
-1hDublin
ISTSOURCEAccra
GMTGreen rows indicate typical business hours (9 AM - 5 PM)
IST and GMT on the World Map
The map below highlights the IST (Greenwich Mean Time) and GMT (Greenwich Mean Time) timezone regions across the globe.
GMT – Greenwich Mean Time
UTC+00:00Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is the same as UTC+00:00.
- •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.
GMT – Greenwich Mean Time
UTC+00:00Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is the same as UTC+00:00.
- •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.
Understanding the -1h Gap: Dublin vs Accra
Dublin runs on Irish Standard Time (IST) at UTC+01:00, currently observing daylight saving time. Accra runs on Greenwich Mean Time (GMT) at UTC+00:00. That puts Dublin 1 hour behind Accra — a difference of -1h at the current offsets.
In practice, when it is 9:00 AM in Dublin it is 8:00 AM in Accra. Midnight in Dublin is 11:00 PM in Accra.Dublin observes daylight saving time while Accra does not, so the gap narrows or widens by an hour part of the year.
Dublin to Accra time conversion table
| Dublin (IST) | Accra (GMT) | Day |
|---|---|---|
| 12:00 AM | 11:00 PM | previous day |
| 6:00 AM | 5:00 AM | same day |
| 7:00 AM | 6:00 AM | same day |
| 8:00 AM | 7:00 AM | same day |
| 9:00 AM | 8:00 AM | same day |
| 12:00 PM | 11:00 AM | same day |
| 3:00 PM | 2:00 PM | same day |
| 5:00 PM | 4:00 PM | same day |
| 6:00 PM | 5:00 PM | same day |
| 9:00 PM | 8:00 PM | same day |
Why people convert Dublin to Accra time
- Scheduling a call from Dublin to Accra: a 10:00 AM start in Dublin lands at 9:00 AM in Accra, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Dublin and Accra are inside the 9-to-5 working day between 10:00 AM and 5:00 PM IST time (9:00 AM–4:00 PM GMT). That is roughly 7 hours of usable overlap.
- Watching a live event or market open: Dublin viewers need 8:00 AM in Accra to catch a 9:00 AM start there, and 1:00 AM if the event is anchored to Dublin.
- Always state the zone abbreviation, not just the hour. "3:00 PM IST" is unambiguous; "3 PM" across a -1h gap is not.
- Block 10:00 AM–5:00 PM IST as the recurring meeting window if you work primarily from Dublin and need Accra 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 -1h 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 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 Dublin and Accra
Both Dublin and Accra sit inside the 9 AM – 5 PM working day between 10:00 AM–5:00 PM IST, which is 9:00 AM–4:00 PM GMT. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Dublin and Accra share 7 hours of working-hours overlap (10:00 AM–5:00 PM IST), so scheduling a live meeting is straightforward.
Dublin is 1 hour behind Accra (IST UTC+01:00 → GMT UTC+00:00). The shared working window is 10:00 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
Accra
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:
Frequently Asked Questions
What is the time difference between Dublin and Accra?
Dublin (IST, UTC+01:00) is 1 hour behind Accra (GMT, UTC+00:00). The gap is currently -1h.
How do I convert Dublin time to Accra time?
Add -1h to Dublin local time. For example, 9:00 AM in Dublin is 8:00 AM in Accra.
What time is it in Accra right now?
Accra uses GMT at UTC+00:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -1h offset from Dublin.
What is the best time to call Accra from Dublin?
Call between 10:00 AM and 5:00 PM IST — that maps to 9:00 AM–4:00 PM GMT and keeps both parties inside the working day.
Which is behind, Dublin or Accra?
Dublin is 1 hour behind Accra. When it is 12:00 PM in Dublin it is 11:00 AM in Accra.
Do Dublin and Accra use different time zones?
Dublin (Ireland) uses IST at UTC+01:00, while Accra (Ghana) uses GMT at UTC+00:00. The IANA identifiers are Europe/Dublin and Africa/Accra.
Does daylight saving time affect the Dublin–Accra difference?
Yes at the moment: Dublin is on daylight saving time and Accra is not, so the -1h 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.
Is there a day difference between Dublin and Accra?
Not normally. The -1h gap only pushes the date over the previous day.
What is the time difference between Dublin and Accra?
Accra is -1h from Dublin.
What timezone is Dublin in?
Dublin operates on its local timezone.
What timezone is Accra in?
Accra operates on its local timezone.
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.
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 Dublin, what time is it in Accra?
When it is 12:00 AM (midnight) in Dublin (GMT), it is -1h later in Accra (GMT).
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