Anchorage to Osaka
+17hAnchorage
AKDTSOURCEOsaka
JSTGreen rows indicate typical business hours (9 AM - 5 PM)
AKDT and JST on the World Map
The map below highlights the AKDT (Alaska Standard Time) and JST (Japan Standard Time) timezone regions across the globe.
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.
JST – Japan Standard Time
UTC+09:00Japan Standard Time (JST) is the time zone for Japan, 9 hours ahead of UTC.
- •Japan does not observe daylight saving time.
- •Tokyo is the most populous metropolitan area in the world.
- •The Tokyo Stock Exchange operates from 9:00 AM to 3:00 PM JST.
- •JST is 14 hours ahead of EST and 9 hours ahead of GMT.
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.
About Osaka
WikipediaOsaka operates on Japan Standard Time (JST), UTC+9. As Japan's second economic center and a manufacturing hub, Osaka shares business hours with Tokyo.
Osaka Castle was originally built in 1583 and has been rebuilt several times.
Everything You Need to Know About Anchorage and Osaka Time
Anchorage runs on Alaska Daylight Time (AKDT) at UTC-08:00, currently observing daylight saving time. Osaka runs on Japan Standard Time (JST) at UTC+09:00. That puts Anchorage 17 hours ahead of Osaka — a difference of +17h at the current offsets.
In practice, when it is 9:00 AM in Anchorage it is 2:00 AM in Osaka on the next day. Midnight in Anchorage is 5:00 PM in Osaka.Anchorage observes daylight saving time while Osaka does not, so the gap narrows or widens by an hour part of the year.
Anchorage to Osaka time conversion table
| Anchorage (AKDT) | Osaka (JST) | Day |
|---|---|---|
| 12:00 AM | 5:00 PM | same day |
| 6:00 AM | 11:00 PM | same day |
| 7:00 AM | 12:00 AM | next day |
| 8:00 AM | 1:00 AM | next day |
| 9:00 AM | 2:00 AM | next day |
| 12:00 PM | 5:00 AM | next day |
| 3:00 PM | 8:00 AM | next day |
| 5:00 PM | 10:00 AM | next day |
| 6:00 PM | 11:00 AM | next day |
| 9:00 PM | 2:00 PM | next day |
Why people convert Anchorage to Osaka time
- Scheduling a call from Anchorage to Osaka: a 10:00 AM start in Anchorage lands at 3:00 AM in Osaka the next day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +17h gap: Anchorage and Osaka 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 Osaka is 2:00 AM in Anchorage.
- Keeping family and friends in sync: knowing that 8:00 PM in Anchorage is 1:00 PM in Osaka makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM AKDT" is unambiguous; "3 PM" across a +17h gap is not.
- With a +17h gap there is no shared 9-to-5 window, so alternate the early start: one week Anchorage takes the early slot, the next week Osaka does.
- Anchorage: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the +17h gap.
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).
About JST (Japan Standard Time)
Japan Standard Time (JST) is the standard time zone for all of Japan. Japan does not observe daylight saving time. JST is 9 hours ahead of UTC and 14 hours ahead of EST. The Tokyo Stock Exchange, the world's third largest by market capitalization, operates on JST. South Korea uses the same offset (KST) but it is a distinct time zone.
Best time to call between Anchorage and Osaka
With a +17h offset there is no overlap inside a normal 9 AM – 5 PM day. Osaka opens at 9:00 AM JST, which is 2:00 AM in Anchorage, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Anchorage and Osaka have no shared working hours because of the +17h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Anchorage is 17 hours ahead of Osaka (AKDT UTC-08:00 → JST UTC+09:00). 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
Anchorage
☀ Currently in DST
Standard: UTC-09:00 · DST: UTC-08:00
Clocks fall back on Sun, Nov 1, 2026
Osaka
Does not observe DST
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 Anchorage and Osaka?
Anchorage (AKDT, UTC-08:00) is 17 hours ahead of Osaka (JST, UTC+09:00). The gap is currently +17h.
How do I convert Anchorage time to Osaka time?
Add +17h to Anchorage local time. For example, 9:00 AM in Anchorage is 2:00 AM in Osaka (next day).
What time is it in Osaka right now?
Osaka uses JST at UTC+09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +17h offset from Anchorage.
What is the best time to call Osaka from Anchorage?
There is no shared working-hours window because of the +17h gap. The closest option is 1:00 PM in Anchorage, which is 6:00 AM in Osaka.
Which is ahead, Anchorage or Osaka?
Anchorage is 17 hours ahead of Osaka. When it is 12:00 PM in Anchorage it is 5:00 AM in Osaka.
Do Anchorage and Osaka use different time zones?
Anchorage (USA) uses AKDT at UTC-08:00, while Osaka (Japan) uses JST at UTC+09:00. The IANA identifiers are America/Anchorage and Asia/Tokyo.
Does daylight saving time affect the Anchorage–Osaka difference?
Yes at the moment: Anchorage is on daylight saving time and Osaka is not, so the +17h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Anchorage's time zone?
AKDT also covers Anchorage, Fairbanks, Juneau, Sitka, Wasilla.
Which countries use AKDT, Anchorage's zone?
AKDT is used in United States (Alaska).
Is there a day difference between Anchorage and Osaka?
Sometimes. The +17h gap is large enough that 8:00 PM or later in Anchorage already falls on the next day in Osaka.
What is the time difference between Anchorage and Osaka?
Osaka is +17h from Anchorage.
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 timezone is Osaka in?
Osaka operates on Japan Standard Time (JST), UTC+9. As Japan's second economic center and a manufacturing hub, Osaka shares business hours with Tokyo.
What are the business hours in Anchorage?
Standard business hours in Anchorage are 8:00 AM - 5:00 PM AKST.
What are the business hours in Osaka?
Standard business hours in Osaka are 9:00 AM - 6:00 PM JST.
What is the best time to schedule a call between Anchorage and Osaka?
The best overlap for a call is when both cities are in business hours. Anchorage works 8:00 AM - 5:00 PM AKST and Osaka works 9:00 AM - 6:00 PM JST (+17h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Anchorage and Osaka?
Anchorage uses USD ($) while Osaka uses JPY (¥). Check current exchange rates when planning travel or business between these cities.
How do Anchorage and Osaka compare in size?
Anchorage has a population of approximately 287,000 (metro: 398,000), while Osaka has approximately 2.8 million (metro: 19 million).
What are the major landmarks in Anchorage and Osaka?
Anchorage is known for Anchorage Museum, Tony Knowles Coastal Trail, Flattop Mountain. Osaka is famous for Osaka Castle, Dotonbori, Universal Studios Japan.
Do Anchorage and Osaka have stock exchanges?
Yes. Anchorage has the N/A (Uses NYSE/NASDAQ) and Osaka has the OSE (Osaka Exchange - derivatives). The +17h time difference affects trading hour overlaps between these exchanges.
Which countries use AKST (Alaska Standard Time)?
AKST is used in United States (Alaska).
Does AKST observe daylight saving time?
Yes, AKST switches to AKDT during summer months.
What are some interesting facts about AKST?
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.
Which cities are in the JST timezone?
Major cities in the JST timezone include Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka.
What is the UTC offset for JST?
Japan Standard Time (JST) is at UTC+09:00.
What should I know about the JST timezone?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
When is it midnight in Anchorage, what time is it in Osaka?
When it is 12:00 AM (midnight) in Anchorage (AKST), it is +17h later in Osaka (JST).
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