Thailand to Dublin
-6hThailand
ICTSOURCEDublin
ISTGreen rows indicate typical business hours (9 AM - 5 PM)
ICT and IST on the World Map
The map below highlights the ICT (Indochina Time) and IST (Greenwich Mean Time) timezone regions across the globe.
ICT – Indochina Time
UTC+07:00Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.
- •Bangkok is one of the most visited cities in the world.
- •ICT is 12 hours ahead of EST.
- •Thailand, Vietnam, and Cambodia all share ICT.
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.
Everything You Need to Know About Thailand and Dublin Time
Thailand runs on Indochina Time (ICT) at UTC+07:00. Dublin runs on Irish Standard Time (IST) at UTC+01:00, also currently on daylight saving time. That puts Thailand 6 hours behind Dublin — a difference of -6h at the current offsets.
In practice, when it is 9:00 AM in Thailand it is 3:00 AM in Dublin. Midnight in Thailand is 6:00 PM in Dublin.Dublin observes daylight saving time while Thailand does not, so the gap narrows or widens by an hour part of the year.
Thailand to Dublin time conversion table
| Thailand (ICT) | Dublin (IST) | Day |
|---|---|---|
| 12:00 AM | 6:00 PM | previous day |
| 6:00 AM | 12:00 AM | same day |
| 7:00 AM | 1:00 AM | same day |
| 8:00 AM | 2:00 AM | same day |
| 9:00 AM | 3:00 AM | same day |
| 12:00 PM | 6:00 AM | same day |
| 3:00 PM | 9:00 AM | same day |
| 5:00 PM | 11:00 AM | same day |
| 6:00 PM | 12:00 PM | same day |
| 9:00 PM | 3:00 PM | same day |
Why people convert Thailand to Dublin time
- Scheduling a call from Thailand to Dublin: a 10:00 AM start in Thailand lands at 4:00 AM in Dublin, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Thailand and Dublin are inside the 9-to-5 working day between 3:00 PM and 5:00 PM ICT time (9:00 AM–11:00 AM IST). That is roughly 2 hours of usable overlap.
- Watching a live event or market open: Thailand viewers need 3:00 AM in Dublin to catch a 9:00 AM start there, and 6:00 AM if the event is anchored to Thailand.
- Always state the zone abbreviation, not just the hour. "3:00 PM ICT" is unambiguous; "3 PM" across a -6h gap is not.
- Block 3:00 PM–5:00 PM ICT as the recurring meeting window if you work primarily from Thailand and need Dublin colleagues present.
- Dublin: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.
About ICT (Indochina Time)
Indochina Time (ICT) is used across Southeast Asia including Vietnam, Thailand, Laos, and Cambodia. Indonesia (Western time, WIB) also uses UTC+07:00. ICT does not observe daylight saving 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 Thailand and Dublin
Both Thailand and Dublin sit inside the 9 AM – 5 PM working day between 3:00 PM–5:00 PM ICT, which is 9:00 AM–11:00 AM IST. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Thailand and Dublin overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
Thailand is 6 hours behind Dublin (ICT UTC+07:00 → IST UTC+01:00). The shared working window is 3:00 PM–5:00 PM ICT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Thailand
Does not observe DST
Dublin
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
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 Thailand and Dublin?
Thailand (ICT, UTC+07:00) is 6 hours behind Dublin (IST, UTC+01:00). The gap is currently -6h.
How do I convert Thailand time to Dublin time?
Add -6h to Thailand local time. For example, 9:00 AM in Thailand is 3:00 AM in Dublin.
What time is it in Dublin right now?
Dublin 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 -6h offset from Thailand.
What is the best time to call Dublin from Thailand?
Call between 3:00 PM and 5:00 PM ICT — that maps to 9:00 AM–11:00 AM IST and keeps both parties inside the working day.
Which is behind, Thailand or Dublin?
Thailand is 6 hours behind Dublin. When it is 12:00 PM in Thailand it is 6:00 AM in Dublin.
Do Thailand and Dublin use different time zones?
Thailand (Thailand) uses ICT at UTC+07:00, while Dublin (Ireland) uses IST at UTC+01:00. The IANA identifiers are Asia/Bangkok and Europe/Dublin.
Does daylight saving time affect the Thailand–Dublin difference?
Yes at the moment: Dublin is on daylight saving time and Thailand is not, so the -6h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Thailand's time zone?
ICT also covers Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
Which countries use ICT, Thailand's zone?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Is there a day difference between Thailand and Dublin?
Not normally. The -6h gap only pushes the date over the previous day.
What is the time difference between Thailand and Dublin?
Dublin is -6h from Thailand.
What timezone is Thailand in?
Thailand operates on its local timezone.
What timezone is Dublin in?
Dublin operates on its local timezone.
Which countries use ICT (Indochina Time)?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Does ICT observe daylight saving time?
No, ICT does not observe daylight saving time and remains at UTC+07:00 year-round.
What are some interesting facts about ICT?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
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 Thailand, what time is it in Dublin?
When it is 12:00 AM (midnight) in Thailand (ICT), it is -6h later in Dublin (GMT).
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