Tehran to Anchorage
-11h 30mTehran
IRSTSOURCEAnchorage
AKDTGreen rows indicate typical business hours (9 AM - 5 PM)
IRST and AKDT on the World Map
The map below highlights the IRST (Iran Standard Time) and AKDT (Alaska 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.
AKST – Alaska Standard Time
UTC-09:00Alaska Standard Time (AKST) is the time zone for the state of Alaska, 9 hours behind UTC.
- •Alaska is the largest US state by area but has only about 730,000 residents.
- •Anchorage is the most populous city in AKST with about 290,000 people.
- •The Aleutian Islands use HAST instead of AKST.
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 Anchorage
WikipediaAnchorage operates on Alaska Time (AKST/AKDT), UTC-9. As a global air cargo hub, Anchorage connects Asian and American markets via polar routes.
Moose occasionally wander through the city streets.
Time Conversion Guide: Tehran to Anchorage
Tehran runs on Iran Standard Time (IRST) at UTC+03:30. Anchorage runs on Alaska Daylight Time (AKDT) at UTC-08:00, also currently on daylight saving time. That puts Tehran 11 hours 30 minutes behind Anchorage — a difference of -11h 30m at the current offsets.
In practice, when it is 9:00 AM in Tehran it is 9:30 PM in Anchorage on the previous day. Midnight in Tehran is 12:30 PM in Anchorage.Anchorage observes daylight saving time while Tehran does not, so the gap narrows or widens by an hour part of the year.
Tehran to Anchorage time conversion table
| Tehran (IRST) | Anchorage (AKDT) | Day |
|---|---|---|
| 12:00 AM | 12:30 PM | previous day |
| 6:00 AM | 6:30 PM | previous day |
| 7:00 AM | 7:30 PM | previous day |
| 8:00 AM | 8:30 PM | previous day |
| 9:00 AM | 9:30 PM | previous day |
| 12:00 PM | 12:30 AM | same day |
| 3:00 PM | 3:30 AM | same day |
| 5:00 PM | 5:30 AM | same day |
| 6:00 PM | 6:30 AM | same day |
| 9:00 PM | 9:30 AM | same day |
Why people convert Tehran to Anchorage time
- Scheduling a call from Tehran to Anchorage: a 10:00 AM start in Tehran lands at 10:30 PM in Anchorage the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -11h 30m gap: Tehran and Anchorage 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 Anchorage is 9:30 PM in Tehran.
- Keeping family and friends in sync: knowing that 8:00 PM in Tehran is 8:30 AM in Anchorage makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM IRST" is unambiguous; "3 PM" across a -11h 30m gap is not.
- With a -11h 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 Anchorage does.
- Anchorage: Clocks fall back on Sun, Nov 1, 2026. Any meeting series spanning that date will shift by an hour in local time.
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 AKST (Alaska Standard Time)
Alaska Standard Time (AKST) is used in nearly all of Alaska. Due to Alaska's vast geographic size, the Aleutian Islands use Hawaii-Aleutian Standard Time instead. During summer months, Alaska switches to Alaska Daylight Time (AKDT, UTC-08:00).
Best time to call between Tehran and Anchorage
With a -11h 30m offset there is no overlap inside a normal 9 AM – 5 PM day. Anchorage opens at 9:00 AM AKDT, which is 9:30 PM in Tehran, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Tehran and Anchorage have no shared working hours because of the -11h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.
Tehran is 11 hours 30 minutes behind Anchorage (IRST UTC+03:30 → AKDT UTC-08:00). 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
Anchorage
☀ Currently in DST
Standard: UTC-09:00 · DST: UTC-08:00
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 Tehran and Anchorage?
Tehran (IRST, UTC+03:30) is 11 hours 30 minutes behind Anchorage (AKDT, UTC-08:00). The gap is currently -11h 30m.
How do I convert Tehran time to Anchorage time?
Add -11h 30m to Tehran local time. For example, 9:00 AM in Tehran is 9:30 PM in Anchorage (previous day).
What time is it in Anchorage right now?
Anchorage uses AKDT at UTC-08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -11h 30m offset from Tehran.
What is the best time to call Anchorage from Tehran?
There is no shared working-hours window because of the -11h 30m gap. The closest option is 1:00 PM in Tehran, which is 1:30 AM in Anchorage.
Which is behind, Tehran or Anchorage?
Tehran is 11 hours 30 minutes behind Anchorage. When it is 12:00 PM in Tehran it is 12:30 AM in Anchorage.
Do Tehran and Anchorage use different time zones?
Tehran (Iran) uses IRST at UTC+03:30, while Anchorage (USA) uses AKDT at UTC-08:00. The IANA identifiers are Asia/Tehran and America/Anchorage.
Does daylight saving time affect the Tehran–Anchorage difference?
Yes at the moment: Anchorage is on daylight saving time and Tehran is not, so the -11h 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 Anchorage?
Not normally. The -11h 30m gap only pushes the date over the previous day.
What is the time difference between Tehran and Anchorage?
Anchorage is -11h 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 Anchorage in?
Anchorage operates on Alaska Time (AKST/AKDT), UTC-9. As a global air cargo hub, Anchorage connects Asian and American markets via polar routes.
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 Anchorage?
Standard business hours in Anchorage are 8:00 AM - 5:00 PM AKST.
What is the best time to schedule a call between Tehran and Anchorage?
The best overlap for a call is when both cities are in business hours. Tehran works 8:00 AM - 4:00 PM IRST and Anchorage works 8:00 AM - 5:00 PM AKST (-11h 30m difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Tehran and Anchorage?
Tehran uses IRR (﷼) while Anchorage uses USD ($). Check current exchange rates when planning travel or business between these cities.
How do Tehran and Anchorage compare in size?
Tehran has a population of approximately 9.4 million (metro: 16.8 million), while Anchorage has approximately 287,000 (metro: 398,000).
What are the major landmarks in Tehran and Anchorage?
Tehran is known for Azadi Tower, Golestan Palace, Grand Bazaar. Anchorage is famous for Anchorage Museum, Tony Knowles Coastal Trail, Flattop Mountain.
Do Tehran and Anchorage have stock exchanges?
Yes. Tehran has the TSE (Tehran Stock Exchange) and Anchorage has the N/A (Uses NYSE/NASDAQ). The -11h 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 AKST timezone?
Major cities in the AKST timezone include Anchorage, Fairbanks, Juneau, Sitka, Wasilla.
What is the UTC offset for AKST?
Alaska Standard Time (AKST) is at UTC-09:00. During daylight saving time, it shifts to AKDT.
What should I know about the AKST timezone?
Alaska is the largest US state by area but has only about 730,000 residents. Anchorage is the most populous city in AKST with about 290,000 people.
When is it midnight in Tehran, what time is it in Anchorage?
When it is 12:00 AM (midnight) in Tehran (IRST), it is -11h 30m later in Anchorage (AKST).
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