Singapore to Halifax
-11hSingapore
SGTSOURCEHalifax
ADTGreen rows indicate typical business hours (9 AM - 5 PM)
SGT and ADT on the World Map
The map below highlights the SGT (Singapore Standard Time) and ADT (Atlantic Standard Time) timezone regions across the globe.
SGT – Singapore Standard Time
UTC+08:00Singapore Standard Time (SGT) is the time zone for Singapore, 8 hours ahead of UTC.
- •Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00).
- •Singapore does not observe daylight saving time.
- •The Singapore Exchange (SGX) operates on SGT.
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.
About Singapore
WikipediaSingapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.
The city-state has the world's highest percentage of millionaires, with 1 in 6 households.
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.
Everything You Need to Know About Singapore and Halifax Time
Singapore runs on Singapore Standard Time (SGT) at UTC+08:00. Halifax runs on Atlantic Daylight Time (ADT) at UTC-03:00, also currently on daylight saving time. That puts Singapore 11 hours behind Halifax — a difference of -11h at the current offsets.
In practice, when it is 9:00 AM in Singapore it is 10:00 PM in Halifax on the previous day. Midnight in Singapore is 1:00 PM in Halifax.Halifax observes daylight saving time while Singapore does not, so the gap narrows or widens by an hour part of the year.
Singapore to Halifax time conversion table
| Singapore (SGT) | Halifax (ADT) | Day |
|---|---|---|
| 12:00 AM | 1:00 PM | previous day |
| 6:00 AM | 7:00 PM | previous day |
| 7:00 AM | 8:00 PM | previous day |
| 8:00 AM | 9:00 PM | previous day |
| 9:00 AM | 10:00 PM | previous day |
| 12:00 PM | 1:00 AM | same day |
| 3:00 PM | 4:00 AM | same day |
| 5:00 PM | 6:00 AM | same day |
| 6:00 PM | 7:00 AM | same day |
| 9:00 PM | 10:00 AM | same day |
Why people convert Singapore to Halifax time
- Scheduling a call from Singapore to Halifax: a 10:00 AM start in Singapore lands at 11:00 PM in Halifax the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -11h gap: Singapore and Halifax 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 Halifax is 10:00 PM in Singapore.
- Booking travel or deliveries: tracking Halifax local time against Singapore keeps pickup windows and arrival estimates honest across the -11h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM SGT" is unambiguous; "3 PM" across a -11h gap is not.
- With a -11h gap there is no shared 9-to-5 window, so alternate the early start: one week Singapore takes the early slot, the next week Halifax does.
- Halifax: Clocks fall back on Sun, Nov 1, 2026. Any meeting series spanning that date will shift by an hour in local time.
About SGT (Singapore Standard Time)
Singapore Standard Time (SGT) is used in Singapore year-round. Singapore does not observe daylight saving time. Despite being geographically close to the UTC+07:00 zone, Singapore uses UTC+08:00 to align with major trading partners like China, Hong Kong, and Malaysia. Singapore is a major global financial hub.
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.
Best time to call between Singapore and Halifax
With a -11h offset there is no overlap inside a normal 9 AM – 5 PM day. Halifax opens at 9:00 AM ADT, which is 10:00 PM in Singapore, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Singapore and Halifax have no shared working hours because of the -11h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Singapore is 11 hours behind Halifax (SGT UTC+08:00 → ADT UTC-03:00). 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
Singapore
Does not observe DST
Halifax
☀ Currently in DST
Standard: UTC-04:00 · DST: UTC-03:00
Clocks fall back on Sun, Nov 1, 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 Singapore and Halifax?
Singapore (SGT, UTC+08:00) is 11 hours behind Halifax (ADT, UTC-03:00). The gap is currently -11h.
How do I convert Singapore time to Halifax time?
Add -11h to Singapore local time. For example, 9:00 AM in Singapore is 10:00 PM in Halifax (previous day).
What time is it in Halifax right now?
Halifax uses ADT at UTC-03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -11h offset from Singapore.
What is the best time to call Halifax from Singapore?
There is no shared working-hours window because of the -11h gap. The closest option is 1:00 PM in Singapore, which is 2:00 AM in Halifax.
Which is behind, Singapore or Halifax?
Singapore is 11 hours behind Halifax. When it is 12:00 PM in Singapore it is 1:00 AM in Halifax.
Do Singapore and Halifax use different time zones?
Singapore (Singapore) uses SGT at UTC+08:00, while Halifax (Canada) uses ADT at UTC-03:00. The IANA identifiers are Asia/Singapore and America/Halifax.
Does daylight saving time affect the Singapore–Halifax difference?
Yes at the moment: Halifax is on daylight saving time and Singapore is not, so the -11h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Singapore's time zone?
SGT also covers Singapore.
Which countries use SGT, Singapore's zone?
SGT is used in Singapore.
Is there a day difference between Singapore and Halifax?
Not normally. The -11h gap only pushes the date over the previous day.
What is the time difference between Singapore and Halifax?
Halifax is -11h from Singapore.
What timezone is Singapore in?
Singapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.
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 are the business hours in Singapore?
Standard business hours in Singapore are 9:00 AM - 6:00 PM SGT.
What are the business hours in Halifax?
Standard business hours in Halifax are 9:00 AM - 5:00 PM AST.
What is the best time to schedule a call between Singapore and Halifax?
The best overlap for a call is when both cities are in business hours. Singapore works 9:00 AM - 6:00 PM SGT and Halifax works 9:00 AM - 5:00 PM AST (-11h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Singapore and Halifax?
Singapore uses SGD (S$) while Halifax uses CAD (C$). Check current exchange rates when planning travel or business between these cities.
How do Singapore and Halifax compare in size?
Singapore has a population of approximately 5.5 million (metro: 5.9 million), while Halifax has approximately 440,000 (metro: 465,000).
What are the major landmarks in Singapore and Halifax?
Singapore is known for Marina Bay Sands, Gardens by the Bay, Merlion. Halifax is famous for Halifax Citadel, Peggy's Cove, Halifax Waterfront.
Do Singapore and Halifax have stock exchanges?
Yes. Singapore has the SGX (Singapore Exchange) and Halifax has the N/A (Uses TSX). The -11h time difference affects trading hour overlaps between these exchanges.
Which countries use SGT (Singapore Standard Time)?
SGT is used in Singapore.
Does SGT observe daylight saving time?
No, SGT does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about SGT?
Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00). Singapore does not observe daylight saving time.
Which cities are in the AST timezone?
Major cities in the AST timezone include Halifax, San Juan, Santo Domingo, Caracas, La Paz, Fredericton, Charlottetown.
What is the UTC offset for AST?
Atlantic Standard Time (AST) is at UTC-04:00. During daylight saving time, it shifts to ADT.
What should I know about the AST timezone?
Puerto Rico uses AST year-round and does not observe DST. AST is 1 hour ahead of EST.
When is it midnight in Singapore, what time is it in Halifax?
When it is 12:00 AM (midnight) in Singapore (SGT), it is -11h later in Halifax (AST).
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