Halifax to Thailand
+10hHalifax
ADTSOURCEThailand
ICTGreen rows indicate typical business hours (9 AM - 5 PM)
ADT and ICT on the World Map
The map below highlights the ADT (Atlantic Standard Time) and ICT (Indochina Time) timezone regions across the globe.
AST – Atlantic Standard Time
UTC-04:00Atlantic Standard Time (AST) is the time zone for the Canadian Atlantic provinces and the Caribbean, 4 hours behind UTC.
- •Puerto Rico uses AST year-round and does not observe DST.
- •AST is 1 hour ahead of EST.
- •Halifax, the capital of Nova Scotia, is the largest city in AST Canada.
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.
About Halifax
WikipediaHalifax operates on Atlantic Time (AST/ADT), UTC-4. As Canada's major Atlantic port and closest city to Europe, Halifax bridges North American and European business.
Halifax harbors the second largest natural ice-free harbor in the world.
Understanding the +10h Gap: Halifax vs Thailand
Halifax runs on Atlantic Daylight Time (ADT) at UTC-03:00, currently observing daylight saving time. Thailand runs on Indochina Time (ICT) at UTC+07:00. That puts Halifax 10 hours ahead of Thailand — a difference of +10h at the current offsets.
In practice, when it is 9:00 AM in Halifax it is 7:00 PM in Thailand. Midnight in Halifax is 10:00 AM in Thailand.Halifax observes daylight saving time while Thailand does not, so the gap narrows or widens by an hour part of the year.
Halifax to Thailand time conversion table
| Halifax (ADT) | Thailand (ICT) | Day |
|---|---|---|
| 12:00 AM | 10:00 AM | same day |
| 6:00 AM | 4:00 PM | same day |
| 7:00 AM | 5:00 PM | same day |
| 8:00 AM | 6:00 PM | same day |
| 9:00 AM | 7:00 PM | same day |
| 12:00 PM | 10:00 PM | same day |
| 3:00 PM | 1:00 AM | next day |
| 5:00 PM | 3:00 AM | next day |
| 6:00 PM | 4:00 AM | next day |
| 9:00 PM | 7:00 AM | next day |
Why people convert Halifax to Thailand time
- Scheduling a call from Halifax to Thailand: a 10:00 AM start in Halifax lands at 8:00 PM in Thailand, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +10h gap: Halifax and Thailand have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Thailand is 7:00 PM in Halifax.
- Keeping family and friends in sync: knowing that 8:00 PM in Halifax is 6:00 AM in Thailand makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM ADT" is unambiguous; "3 PM" across a +10h gap is not.
- With a +10h gap there is no shared 9-to-5 window, so alternate the early start: one week Halifax takes the early slot, the next week Thailand does.
- Halifax: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the +10h gap.
About AST (Atlantic Standard Time)
Atlantic Standard Time (AST) covers Canada's Atlantic provinces (Nova Scotia, New Brunswick, Prince Edward Island, and most of Labrador), as well as several Caribbean nations. Puerto Rico and the US Virgin Islands use AST year-round without daylight saving time. The Canadian provinces switch to Atlantic Daylight Time (ADT) in summer.
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.
Best time to call between Halifax and Thailand
With a +10h offset there is no overlap inside a normal 9 AM – 5 PM day. Thailand opens at 9:00 AM ICT, which is 7:00 PM in Halifax, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Halifax and Thailand have no shared working hours because of the +10h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Halifax is 10 hours ahead of Thailand (ADT UTC-03:00 → ICT UTC+07:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Halifax
☀ Currently in DST
Standard: UTC-04:00 · DST: UTC-03:00
Clocks fall back on Sun, Nov 1, 2026
Thailand
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 Halifax and Thailand?
Halifax (ADT, UTC-03:00) is 10 hours ahead of Thailand (ICT, UTC+07:00). The gap is currently +10h.
How do I convert Halifax time to Thailand time?
Add +10h to Halifax local time. For example, 9:00 AM in Halifax is 7:00 PM in Thailand.
What time is it in Thailand right now?
Thailand uses ICT at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +10h offset from Halifax.
What is the best time to call Thailand from Halifax?
There is no shared working-hours window because of the +10h gap. The closest option is 1:00 PM in Halifax, which is 11:00 PM in Thailand.
Which is ahead, Halifax or Thailand?
Halifax is 10 hours ahead of Thailand. When it is 12:00 PM in Halifax it is 10:00 PM in Thailand.
Do Halifax and Thailand use different time zones?
Halifax (Canada) uses ADT at UTC-03:00, while Thailand (Thailand) uses ICT at UTC+07:00. The IANA identifiers are America/Halifax and Asia/Bangkok.
Does daylight saving time affect the Halifax–Thailand difference?
Yes at the moment: Halifax is on daylight saving time and Thailand is not, so the +10h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Halifax's time zone?
ADT also covers Halifax, San Juan, Santo Domingo, Caracas, La Paz, Fredericton, Charlottetown.
Which countries use ADT, Halifax's zone?
ADT is used in Canada (Atlantic provinces), Puerto Rico, US Virgin Islands, Dominican Republic, Venezuela, Bolivia, Barbados, Trinidad and Tobago.
Is there a day difference between Halifax and Thailand?
Not normally. The +10h gap only pushes the date over for late-evening times.
What is the time difference between Halifax and Thailand?
Thailand is +10h from Halifax.
What timezone is Halifax in?
Halifax operates on Atlantic Time (AST/ADT), UTC-4. As Canada's major Atlantic port and closest city to Europe, Halifax bridges North American and European business.
What timezone is Thailand in?
Thailand operates on its local timezone.
What are the business hours in Halifax?
Standard business hours in Halifax are 9:00 AM - 5:00 PM AST.
Which countries use AST (Atlantic Standard Time)?
AST is used in Canada (Atlantic provinces), Puerto Rico, US Virgin Islands, Dominican Republic, Venezuela, Bolivia, and 2 more countries.
Does AST observe daylight saving time?
Yes, AST switches to ADT during summer months.
What are some interesting facts about AST?
Puerto Rico uses AST year-round and does not observe DST. AST is 1 hour ahead of EST.
Which cities are in the ICT timezone?
Major cities in the ICT timezone include Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
What is the UTC offset for ICT?
Indochina Time (ICT) is at UTC+07:00.
What should I know about the ICT timezone?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
When is it midnight in Halifax, what time is it in Thailand?
When it is 12:00 AM (midnight) in Halifax (AST), it is +10h later in Thailand (ICT).
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