PHT to Halifax
-11hPHT
PHTSOURCEHalifax
ADTGreen rows indicate typical business hours (9 AM - 5 PM)
PHT and ADT on the World Map
The map below highlights the PHT (Philippine Time) and ADT (Atlantic Standard Time) timezone regions across the globe.
PHT – Philippine Time
UTC+08:00Philippine Time (PHT, UTC+08:00) is the time zone for the Philippines, 8 hours ahead of UTC.
- •Philippine Time does not observe daylight saving, so UTC+08:00 is fixed all year.
- •PHT shares its offset with China, Hong Kong, Singapore and Malaysia.
- •Manila is one of the largest outsourcing hubs in the world.
- •The Philippines spans one time zone despite being an archipelago of over 7,600 islands.
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 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 PHT and Halifax Time
PHT runs on Philippine Time (PHT) at UTC+08:00. Halifax runs on Atlantic Daylight Time (ADT) at UTC-03:00, also currently on daylight saving time. That puts PHT 11 hours behind Halifax — a difference of -11h at the current offsets.
In practice, when it is 9:00 AM in PHT it is 10:00 PM in Halifax on the previous day. Midnight in PHT is 1:00 PM in Halifax.Halifax observes daylight saving time while PHT does not, so the gap narrows or widens by an hour part of the year.
PHT to Halifax time conversion table
| PHT (PHT) | 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 PHT to Halifax time
- Scheduling a call from PHT to Halifax: a 10:00 AM start in PHT 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: PHT 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 PHT.
- Keeping family and friends in sync: knowing that 8:00 PM in PHT is 9:00 AM in Halifax makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM PHT" 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 PHT 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 PHT (Philippine Time)
Philippine Time (PHT) is fixed at UTC+08:00 all year. The Philippines has not observed daylight saving time since 1978, apart from a brief trial in 1990. PHT shares its offset with China Standard Time, Hong Kong Time, Singapore Time, Malaysian Time and Australian Western Standard Time, which makes Manila a convenient bridge for scheduling across East and Southeast Asia. As one of the world's largest centres for business process outsourcing, Manila keeps overlapping hours with both Australia and, on early shifts, the United States, and its contact-centre schedules are usually planned around Manila local time.
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 PHT 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 PHT, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
PHT and Halifax have no shared working hours because of the -11h gap. Teams need to alternate early starts or rely on asynchronous handovers.
PHT is 11 hours behind Halifax (PHT 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
PHT
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 PHT and Halifax?
PHT (PHT, UTC+08:00) is 11 hours behind Halifax (ADT, UTC-03:00). The gap is currently -11h.
How do I convert PHT time to Halifax time?
Add -11h to PHT local time. For example, 9:00 AM in PHT 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 PHT.
What is the best time to call Halifax from PHT?
There is no shared working-hours window because of the -11h gap. The closest option is 1:00 PM in PHT, which is 2:00 AM in Halifax.
Which is behind, PHT or Halifax?
PHT is 11 hours behind Halifax. When it is 12:00 PM in PHT it is 1:00 AM in Halifax.
Do PHT and Halifax use different time zones?
PHT uses PHT at UTC+08:00, while Halifax (Canada) uses ADT at UTC-03:00. The IANA identifiers are Asia/Manila and America/Halifax.
Does daylight saving time affect the PHT–Halifax difference?
Yes at the moment: Halifax is on daylight saving time and PHT is not, so the -11h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share PHT's time zone?
PHT also covers Manila, Quezon City, Davao City, Cebu City, Zamboanga.
Which countries use PHT, PHT's zone?
PHT is used in Philippines.
Is there a day difference between PHT and Halifax?
Not normally. The -11h gap only pushes the date over the previous day.
What is the time difference between PHT and Halifax?
Halifax is -11h from PHT.
What timezone is PHT in?
PHT operates on its local timezone.
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 Halifax?
Standard business hours in Halifax are 9:00 AM - 5:00 PM AST.
Which countries use PHT (Philippine Time)?
PHT is used in Philippines.
Does PHT observe daylight saving time?
No, PHT does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about PHT?
Philippine Time does not observe daylight saving, so UTC+08:00 is fixed all year. PHT shares its offset with China, Hong Kong, Singapore and Malaysia.
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 PHT, what time is it in Halifax?
When it is 12:00 AM (midnight) in PHT (PHT), it is -11h later in Halifax (AST).
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