AST to Vancouver
-3hAST
ASTSOURCEVancouver
PDTGreen rows indicate typical business hours (9 AM - 5 PM)
AST and PDT on the World Map
The map below highlights the AST (Atlantic Standard Time) and PDT (Pacific Standard 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.
PST – Pacific Standard Time
UTC-08:00Pacific Standard Time (PST) is the time zone for the US and Canadian Pacific coast, 8 hours behind UTC.
- •Silicon Valley and the world's biggest tech companies operate on Pacific Time.
- •The Hollywood film industry runs on PST/PDT.
- •PST is 3 hours behind EST, creating a significant business hours gap.
- •Vancouver, Canada's third-largest city, uses PST.
About Vancouver
WikipediaVancouver operates on Pacific Time (PST/PDT), same as Los Angeles. As Canada's gateway to Asia, Vancouver bridges North American and Asian markets.
The city consistently ranks among the world's most livable cities.
Everything You Need to Know About AST and Vancouver Time
AST runs on Atlantic Standard Time (AST) at UTC-04:00. Vancouver runs on Pacific Daylight Time (PDT) at UTC-07:00, also currently on daylight saving time. That puts AST 3 hours behind Vancouver — a difference of -3h at the current offsets.
In practice, when it is 9:00 AM in AST it is 6:00 AM in Vancouver. Midnight in AST is 9:00 PM in Vancouver.Vancouver observes daylight saving time while AST does not, so the gap narrows or widens by an hour part of the year.
AST to Vancouver time conversion table
| AST (AST) | Vancouver (PDT) | Day |
|---|---|---|
| 12:00 AM | 9:00 PM | previous day |
| 6:00 AM | 3:00 AM | same day |
| 7:00 AM | 4:00 AM | same day |
| 8:00 AM | 5:00 AM | same day |
| 9:00 AM | 6:00 AM | same day |
| 12:00 PM | 9:00 AM | same day |
| 3:00 PM | 12:00 PM | same day |
| 5:00 PM | 2:00 PM | same day |
| 6:00 PM | 3:00 PM | same day |
| 9:00 PM | 6:00 PM | same day |
Why people convert AST to Vancouver time
- Scheduling a call from AST to Vancouver: a 10:00 AM start in AST lands at 7:00 AM in Vancouver, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both AST and Vancouver are inside the 9-to-5 working day between 12:00 PM and 5:00 PM AST time (9:00 AM–2:00 PM PDT). That is roughly 5 hours of usable overlap.
- Coordinating a AST-based team with Vancouver contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM AST" is unambiguous; "3 PM" across a -3h gap is not.
- Block 12:00 PM–5:00 PM AST as the recurring meeting window if you work primarily from AST and need Vancouver colleagues present.
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 PST (Pacific Standard Time)
Pacific Standard Time (PST) covers the west coast of North America, including tech hubs like San Francisco and Seattle, and entertainment capital Los Angeles. The Pacific Time Zone is home to Silicon Valley and the world's largest technology companies. During summer, clocks advance to Pacific Daylight Time (PDT, UTC-07:00). PST is also observed in Baja California, Mexico.
Best time to call between AST and Vancouver
Both AST and Vancouver sit inside the 9 AM – 5 PM working day between 12:00 PM–5:00 PM AST, which is 9:00 AM–2:00 PM PDT. That gives roughly 5 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
AST and Vancouver share 5 hours of working-hours overlap (12:00 PM–5:00 PM AST), so scheduling a live meeting is straightforward.
AST is 3 hours behind Vancouver (AST UTC-04:00 → PDT UTC-07:00). The shared working window is 12:00 PM–5:00 PM AST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
AST
☀ Currently in DST
Standard: UTC-04:00 · DST: UTC-03:00
Clocks fall back on Sun, Nov 1, 2026
Vancouver
☀ Currently in DST
Standard: UTC-08:00 · DST: UTC-07:00
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 AST and Vancouver?
AST (AST, UTC-04:00) is 3 hours behind Vancouver (PDT, UTC-07:00). The gap is currently -3h.
How do I convert AST time to Vancouver time?
Add -3h to AST local time. For example, 9:00 AM in AST is 6:00 AM in Vancouver.
What time is it in Vancouver right now?
Vancouver uses PDT at UTC-07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -3h offset from AST.
What is the best time to call Vancouver from AST?
Call between 12:00 PM and 5:00 PM AST — that maps to 9:00 AM–2:00 PM PDT and keeps both parties inside the working day.
Which is behind, AST or Vancouver?
AST is 3 hours behind Vancouver. When it is 12:00 PM in AST it is 9:00 AM in Vancouver.
Do AST and Vancouver use different time zones?
AST uses AST at UTC-04:00, while Vancouver (Canada) uses PDT at UTC-07:00. The IANA identifiers are America/Halifax and America/Vancouver.
Does daylight saving time affect the AST–Vancouver difference?
Yes at the moment: Vancouver is on daylight saving time and AST is not, so the -3h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share AST's time zone?
AST also covers Halifax, San Juan, Santo Domingo, Caracas, La Paz, Fredericton, Charlottetown.
Which countries use AST, AST's zone?
AST 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 AST and Vancouver?
Not normally. The -3h gap only pushes the date over the previous day.
What is the time difference between AST and Vancouver?
Vancouver is -3h from AST.
What timezone is AST in?
AST operates on its local timezone.
What timezone is Vancouver in?
Vancouver operates on Pacific Time (PST/PDT), same as Los Angeles. As Canada's gateway to Asia, Vancouver bridges North American and Asian markets.
What are the business hours in Vancouver?
Standard business hours in Vancouver are 9:00 AM - 5:00 PM PST.
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 PST timezone?
Major cities in the PST timezone include Los Angeles, San Francisco, Seattle, Vancouver, San Diego, Portland, Las Vegas, Sacramento.
What is the UTC offset for PST?
Pacific Standard Time (PST) is at UTC-08:00. During daylight saving time, it shifts to PDT.
What should I know about the PST timezone?
Silicon Valley and the world's biggest tech companies operate on Pacific Time. The Hollywood film industry runs on PST/PDT.
When is it midnight in AST, what time is it in Vancouver?
When it is 12:00 AM (midnight) in AST (AST), it is -3h later in Vancouver (PST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More AST time conversions
- ast to halifax
- ast to new york
- ast to london
- ast to dubai
- ast to tokyo
- ast to singapore
- ast to sydney
- ast to los angeles
- ast to paris
- ast to delhi
- ast to mumbai
- ast to berlin
- ast to hong kong
- ast to toronto
- ast to kathmandu
- new york to ast
- london to ast
- dubai to ast
- tokyo to ast
- singapore to ast
- sydney to ast
- los angeles to ast
- paris to ast
- delhi to ast
- mumbai to ast
- berlin to ast
- hong kong to ast
- toronto to ast
- kathmandu to ast
See every conversion from AST →·See every conversion from Vancouver →