Santiago to Halifax
+0hSantiago
CLSTSOURCEHalifax
ADTGreen rows indicate typical business hours (9 AM - 5 PM)
CLST and ADT on the World Map
The map below highlights the CLST (Chile Standard Time) and ADT (Atlantic Standard Time) timezone regions across the globe.
CLT – Chile Standard Time
UTC-04:00Chile Standard Time (CLT) is the time zone for continental Chile, 4 hours behind UTC.
- •Chile observes daylight saving time, switching to CLST (UTC-03:00) in summer.
- •Santiago is the largest city in Chile with over 6 million in the metro area.
- •Chile spans over 4,300 km from north to south but uses one timezone.
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 Santiago and Halifax Time
Santiago runs on Chile Summer Time (CLST) at UTC-03:00, currently observing daylight saving time. Halifax runs on Atlantic Daylight Time (ADT) at UTC-03:00, also currently on daylight saving time. That puts Santiago no time difference Halifax — a difference of +0h at the current offsets.
In practice, when it is 9:00 AM in Santiago it is 9:00 AM in Halifax. Midnight in Santiago is 12:00 AM in Halifax. Because both zones shift for daylight saving, the gap between them only changes during the few weeks each year when their transition dates differ.
Santiago to Halifax time conversion table
| Santiago (CLST) | Halifax (ADT) | Day |
|---|---|---|
| 12:00 AM | 12:00 AM | same day |
| 6:00 AM | 6:00 AM | same day |
| 7:00 AM | 7:00 AM | same day |
| 8:00 AM | 8:00 AM | same day |
| 9:00 AM | 9:00 AM | same day |
| 12:00 PM | 12:00 PM | same day |
| 3:00 PM | 3:00 PM | same day |
| 5:00 PM | 5:00 PM | same day |
| 6:00 PM | 6:00 PM | same day |
| 9:00 PM | 9:00 PM | same day |
Why people convert Santiago to Halifax time
- Scheduling a call from Santiago to Halifax: a 10:00 AM start in Santiago lands at 10:00 AM in Halifax, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Santiago and Halifax are inside the 9-to-5 working day between 9:00 AM and 5:00 PM CLST time (9:00 AM–5:00 PM ADT). That is roughly 8 hours of usable overlap.
- Watching a live event or market open: Santiago viewers need 9:00 AM in Halifax to catch a 9:00 AM start there, and 12:00 AM if the event is anchored to Santiago.
- Always state the zone abbreviation, not just the hour. "3:00 PM CLST" is unambiguous; "3 PM" across a +0h gap is not.
- Block 9:00 AM–5:00 PM CLST as the recurring meeting window if you work primarily from Santiago and need Halifax colleagues present.
- Santiago: Clocks fall back on Sun, Apr 4, 2027. Re-check this page after that date because the offset changes and so does the +0h gap.
- Halifax: Clocks fall back on Sun, Nov 1, 2026. Any meeting series spanning that date will shift by an hour in local time.
About CLT (Chile Standard Time)
Chile Standard Time (CLT) is the standard time in Chile. During summer months (October to March), Chile switches to Chile Summer Time (CLST, UTC-03:00). Chile is the longest north-south country in the world.
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 Santiago and Halifax
Both Santiago and Halifax sit inside the 9 AM – 5 PM working day between 9:00 AM–5:00 PM CLST, which is 9:00 AM–5:00 PM ADT. That gives roughly 8 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Santiago and Halifax share 8 hours of working-hours overlap (9:00 AM–5:00 PM CLST), so scheduling a live meeting is straightforward.
Santiago is no time difference Halifax (CLST UTC-03:00 → ADT UTC-03:00). The shared working window is 9:00 AM–5:00 PM CLST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Santiago
☀ Currently in DST
Standard: UTC-04:00 · DST: UTC-03:00
Clocks fall back on Sun, Apr 4, 2027
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 Santiago and Halifax?
Santiago (CLST, UTC-03:00) is no time difference Halifax (ADT, UTC-03:00). The gap is currently +0h.
How do I convert Santiago time to Halifax time?
Add +0h to Santiago local time. For example, 9:00 AM in Santiago is 9:00 AM in Halifax.
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 +0h offset from Santiago.
What is the best time to call Halifax from Santiago?
Call between 9:00 AM and 5:00 PM CLST — that maps to 9:00 AM–5:00 PM ADT and keeps both parties inside the working day.
Which is ahead, Santiago or Halifax?
Santiago and Halifax are currently on the same clock.
Do Santiago and Halifax use different time zones?
Santiago (Chile) uses CLST at UTC-03:00, while Halifax (Canada) uses ADT at UTC-03:00. The IANA identifiers are America/Santiago and America/Halifax.
Does daylight saving time affect the Santiago–Halifax difference?
Both zones observe DST, so the difference stays at +0h for most of the year and only changes during the weeks when their transition dates do not line up.
Which other cities share Santiago's time zone?
CLST also covers Santiago, Valparaíso, Concepción, Viña del Mar, Antofagasta.
Which countries use CLST, Santiago's zone?
CLST is used in Chile.
What is the time difference between Santiago and Halifax?
Halifax is +0h from Santiago.
What timezone is Santiago in?
Santiago 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 CLT (Chile Standard Time)?
CLT is used in Chile.
Does CLT observe daylight saving time?
Yes, CLT switches to CLST during summer months.
What are some interesting facts about CLT?
Chile observes daylight saving time, switching to CLST (UTC-03:00) in summer. Santiago is the largest city in Chile with over 6 million in the metro area.
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 Santiago, what time is it in Halifax?
When it is 12:00 AM (midnight) in Santiago (CLT), it is +0h later in Halifax (AST).
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