AKST to Tokyo
+18hAKST
AKSTSOURCETokyo
JSTGreen rows indicate typical business hours (9 AM - 5 PM)
AKST and JST on the World Map
The map below highlights the AKST (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 Tokyo
WikipediaTokyo operates on Japan Standard Time (JST), which is 14 hours ahead of New York. As Asia's largest financial hub, Tokyo trading hours are crucial for global markets.
The Tokyo subway system moves approximately 8.7 million passengers daily.
Everything You Need to Know About AKST and Tokyo Time
AKST runs on Alaska Standard Time (AKST) at UTC-09:00. Tokyo runs on Japan Standard Time (JST) at UTC+09:00. That puts AKST 18 hours ahead of Tokyo — a difference of +18h at the current offsets.
In practice, when it is 9:00 AM in AKST it is 3:00 AM in Tokyo on the next day. Midnight in AKST is 6:00 PM in Tokyo. Neither zone observes daylight saving time, so the offset between them stays constant all year.
AKST to Tokyo time conversion table
| AKST (AKST) | Tokyo (JST) | Day |
|---|---|---|
| 12:00 AM | 6:00 PM | same day |
| 6:00 AM | 12:00 AM | next day |
| 7:00 AM | 1:00 AM | next day |
| 8:00 AM | 2:00 AM | next day |
| 9:00 AM | 3:00 AM | next day |
| 12:00 PM | 6:00 AM | next day |
| 3:00 PM | 9:00 AM | next day |
| 5:00 PM | 11:00 AM | next day |
| 6:00 PM | 12:00 PM | next day |
| 9:00 PM | 3:00 PM | next day |
Why people convert AKST to Tokyo time
- Scheduling a call from AKST to Tokyo: a 10:00 AM start in AKST lands at 4:00 AM in Tokyo the next day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +18h gap: AKST and Tokyo 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 Tokyo is 3:00 AM in AKST.
- Booking travel or deliveries: tracking Tokyo local time against AKST keeps pickup windows and arrival estimates honest across the +18h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM AKST" is unambiguous; "3 PM" across a +18h gap is not.
- With a +18h gap there is no shared 9-to-5 window, so alternate the early start: one week AKST takes the early slot, the next week Tokyo does.
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 AKST and Tokyo
With a +18h offset there is no overlap inside a normal 9 AM – 5 PM day. Tokyo opens at 9:00 AM JST, which is 3:00 AM in AKST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
AKST and Tokyo have no shared working hours because of the +18h gap. Teams need to alternate early starts or rely on asynchronous handovers.
AKST is 18 hours ahead of Tokyo (AKST UTC-09:00 → 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
AKST
☀ Currently in DST
Standard: UTC-09:00 · DST: UTC-08:00
Clocks fall back on Sun, Nov 1, 2026
Tokyo
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 AKST and Tokyo?
AKST (AKST, UTC-09:00) is 18 hours ahead of Tokyo (JST, UTC+09:00). The gap is currently +18h.
How do I convert AKST time to Tokyo time?
Add +18h to AKST local time. For example, 9:00 AM in AKST is 3:00 AM in Tokyo (next day).
What time is it in Tokyo right now?
Tokyo 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 +18h offset from AKST.
What is the best time to call Tokyo from AKST?
There is no shared working-hours window because of the +18h gap. The closest option is 1:00 PM in AKST, which is 7:00 AM in Tokyo.
Which is ahead, AKST or Tokyo?
AKST is 18 hours ahead of Tokyo. When it is 12:00 PM in AKST it is 6:00 AM in Tokyo.
Do AKST and Tokyo use different time zones?
AKST uses AKST at UTC-09:00, while Tokyo (Japan) uses JST at UTC+09:00. The IANA identifiers are America/Anchorage and Asia/Tokyo.
Does daylight saving time affect the AKST–Tokyo difference?
Neither zone observes daylight saving time, so the +18h offset between AKST and Tokyo is fixed all year.
Which other cities share AKST's time zone?
AKST also covers Anchorage, Fairbanks, Juneau, Sitka, Wasilla.
Which countries use AKST, AKST's zone?
AKST is used in United States (Alaska).
Is there a day difference between AKST and Tokyo?
Sometimes. The +18h gap is large enough that 8:00 PM or later in AKST already falls on the next day in Tokyo.
What is the time difference between AKST and Tokyo?
Tokyo is +18h from AKST.
What timezone is AKST in?
AKST operates on its local timezone.
What timezone is Tokyo in?
Tokyo operates on Japan Standard Time (JST), which is 14 hours ahead of New York. As Asia's largest financial hub, Tokyo trading hours are crucial for global markets.
What are the business hours in Tokyo?
Standard business hours in Tokyo are 9:00 AM - 6:00 PM JST.
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 AKST, what time is it in Tokyo?
When it is 12:00 AM (midnight) in AKST (AKST), it is +18h later in Tokyo (JST).
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