Tehran to Vancouver
-10h 30mTehran
IRSTSOURCEVancouver
PDTGreen rows indicate typical business hours (9 AM - 5 PM)
IRST and PDT on the World Map
The map below highlights the IRST (Iran Standard Time) and PDT (Pacific Standard Time) timezone regions across the globe.
IRST – Iran Standard Time
UTC+03:30Iran Standard Time (IRST) is the time zone for Iran, 3 hours and 30 minutes ahead of UTC.
- •IRST is one of only a few time zones with a 30-minute offset.
- •Iran observes daylight saving time, switching to IRDT (UTC+04:30).
- •Tehran has a metropolitan population of over 16 million.
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 Tehran
WikipediaTehran operates on Iran Standard Time (IRST), UTC+3:30. Iran's unique half-hour offset makes Tehran time distinctive for regional business coordination.
Iran Standard Time (IRST) is one of few timezones with a 30-minute offset (UTC+3:30).
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.
Comparing Time Zones: Tehran and Vancouver
Tehran runs on Iran Standard Time (IRST) at UTC+03:30. Vancouver runs on Pacific Daylight Time (PDT) at UTC-07:00, also currently on daylight saving time. That puts Tehran 10 hours 30 minutes behind Vancouver — a difference of -10h 30m at the current offsets.
In practice, when it is 9:00 AM in Tehran it is 10:30 PM in Vancouver on the previous day. Midnight in Tehran is 1:30 PM in Vancouver.Vancouver observes daylight saving time while Tehran does not, so the gap narrows or widens by an hour part of the year.
Tehran to Vancouver time conversion table
| Tehran (IRST) | Vancouver (PDT) | Day |
|---|---|---|
| 12:00 AM | 1:30 PM | previous day |
| 6:00 AM | 7:30 PM | previous day |
| 7:00 AM | 8:30 PM | previous day |
| 8:00 AM | 9:30 PM | previous day |
| 9:00 AM | 10:30 PM | previous day |
| 12:00 PM | 1:30 AM | same day |
| 3:00 PM | 4:30 AM | same day |
| 5:00 PM | 6:30 AM | same day |
| 6:00 PM | 7:30 AM | same day |
| 9:00 PM | 10:30 AM | same day |
Why people convert Tehran to Vancouver time
- Scheduling a call from Tehran to Vancouver: a 10:00 AM start in Tehran lands at 11:30 PM in Vancouver the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -10h 30m gap: Tehran and Vancouver 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 Vancouver is 10:30 PM in Tehran.
- Watching a live event or market open: Tehran viewers need 10:30 PM in Vancouver to catch a 9:00 AM start there, and 10:30 AM if the event is anchored to Tehran.
- Always state the zone abbreviation, not just the hour. "3:00 PM IRST" is unambiguous; "3 PM" across a -10h 30m gap is not.
- With a -10h 30m gap there is no shared 9-to-5 window, so alternate the early start: one week Tehran takes the early slot, the next week Vancouver does.
About IRST (Iran Standard Time)
Iran Standard Time (IRST) is one of the few time zones with a 30-minute offset. Iran observes daylight saving time (IRDT, UTC+04:30) from late March to late September. Tehran, the capital, is one of the largest cities in the Middle East.
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 Tehran and Vancouver
With a -10h 30m offset there is no overlap inside a normal 9 AM – 5 PM day. Vancouver opens at 9:00 AM PDT, which is 10:30 PM in Tehran, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Tehran and Vancouver have no shared working hours because of the -10h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.
Tehran is 10 hours 30 minutes behind Vancouver (IRST UTC+03:30 → PDT 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
Tehran
Does not observe DST
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 Tehran and Vancouver?
Tehran (IRST, UTC+03:30) is 10 hours 30 minutes behind Vancouver (PDT, UTC-07:00). The gap is currently -10h 30m.
How do I convert Tehran time to Vancouver time?
Add -10h 30m to Tehran local time. For example, 9:00 AM in Tehran is 10:30 PM in Vancouver (previous day).
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 -10h 30m offset from Tehran.
What is the best time to call Vancouver from Tehran?
There is no shared working-hours window because of the -10h 30m gap. The closest option is 1:00 PM in Tehran, which is 2:30 AM in Vancouver.
Which is behind, Tehran or Vancouver?
Tehran is 10 hours 30 minutes behind Vancouver. When it is 12:00 PM in Tehran it is 1:30 AM in Vancouver.
Do Tehran and Vancouver use different time zones?
Tehran (Iran) uses IRST at UTC+03:30, while Vancouver (Canada) uses PDT at UTC-07:00. The IANA identifiers are Asia/Tehran and America/Vancouver.
Does daylight saving time affect the Tehran–Vancouver difference?
Yes at the moment: Vancouver is on daylight saving time and Tehran is not, so the -10h 30m gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Tehran's time zone?
IRST also covers Tehran, Isfahan, Mashhad, Tabriz, Shiraz, Karaj.
Which countries use IRST, Tehran's zone?
IRST is used in Iran.
Is there a day difference between Tehran and Vancouver?
Not normally. The -10h 30m gap only pushes the date over the previous day.
What is the time difference between Tehran and Vancouver?
Vancouver is -10h 30m from Tehran.
What timezone is Tehran in?
Tehran operates on Iran Standard Time (IRST), UTC+3:30. Iran's unique half-hour offset makes Tehran time distinctive for regional business coordination.
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 Tehran?
Standard business hours in Tehran are 8:00 AM - 4:00 PM IRST.
What are the business hours in Vancouver?
Standard business hours in Vancouver are 9:00 AM - 5:00 PM PST.
What is the best time to schedule a call between Tehran and Vancouver?
The best overlap for a call is when both cities are in business hours. Tehran works 8:00 AM - 4:00 PM IRST and Vancouver works 9:00 AM - 5:00 PM PST (-10h 30m difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Tehran and Vancouver?
Tehran uses IRR (﷼) while Vancouver uses CAD (C$). Check current exchange rates when planning travel or business between these cities.
How do Tehran and Vancouver compare in size?
Tehran has a population of approximately 9.4 million (metro: 16.8 million), while Vancouver has approximately 675,000 (metro: 2.6 million).
What are the major landmarks in Tehran and Vancouver?
Tehran is known for Azadi Tower, Golestan Palace, Grand Bazaar. Vancouver is famous for Stanley Park, Capilano Suspension Bridge, Gastown.
Do Tehran and Vancouver have stock exchanges?
Yes. Tehran has the TSE (Tehran Stock Exchange) and Vancouver has the TSX-V (TSX Venture Exchange). The -10h 30m time difference affects trading hour overlaps between these exchanges.
Which countries use IRST (Iran Standard Time)?
IRST is used in Iran.
Does IRST observe daylight saving time?
Yes, IRST switches to IRDT during summer months.
What are some interesting facts about IRST?
IRST is one of only a few time zones with a 30-minute offset. Iran observes daylight saving time, switching to IRDT (UTC+04:30).
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 Tehran, what time is it in Vancouver?
When it is 12:00 AM (midnight) in Tehran (IRST), it is -10h 30m later in Vancouver (PST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Tehran time conversions
- tehran to irst
- tehran to iran
- tehran to dubai
- tehran to mumbai
- tehran to delhi
- tehran to bangalore
- tehran to kathmandu
- tehran to bangkok
- tehran to singapore
- tehran to hong kong
- tehran to shanghai
- tehran to beijing
- tehran to tokyo
- tehran to osaka
- tehran to new york
- tehran to london
- tehran to sydney
- tehran to los angeles
- tehran to paris
- tehran to berlin
- tehran to toronto
- new york to tehran
- london to tehran
- dubai to tehran
- tokyo to tehran
- singapore to tehran
- sydney to tehran
- los angeles to tehran
- paris to tehran
- delhi to tehran
- mumbai to tehran
- berlin to tehran
- hong kong to tehran
- toronto to tehran
- kathmandu to tehran
See every conversion from Tehran →·See every conversion from Vancouver →