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AKST to JST Time Converter

Use this AKST to JST time converter to compare United States and Japan time instantly. JST is 18 hours ahead of AKST, so 9:00 AM AKST becomes 3:00 AM (next day) JST and 5:00 PM AKST becomes 11:00 AM (next day) JST. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.

AKST Alaska Standard Time
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JST Japan Standard Time
...
Select a time to convert

AKST to JST Quick Facts

Use this AKST to JST converter to compare United States and Japan time, check the 18 hours gap, and confirm the right slot for calls, handoffs, and deadlines. Find the best overlap for calls and meetings.

Time Difference
Japan Standard Time is 18 hours ahead of Alaska Standard Time
Useful when deadlines, handoffs, or calls cross workday boundaries.
Best Call Window
Normal business hours do not overlap well here, so test early-morning or late-evening compromise slots.
Common Use Cases
Useful for remote teams, customer support windows, travel planning, webinars, and same-day deadline handoffs.

How to Convert AKST to JST

Converting between Alaska Standard Time and Japan Standard Time means accounting for a 18 hours gap — here's how to do it in under 10 seconds with no sign-up.

Enter Your AKST Time

Pick the date and time in Alaska Standard Time (UTC -9) that you want to convert. Hit "Now" to load the current AKST time instantly, or use "+1h" to step forward and compare.

Read the JST Result

The equivalent Japan Standard Time (UTC +9) time appears immediately. Since JST is 18 hours ahead of AKST, conversions often cross midnight — look for the date-change label.

Copy or Fine-Tune

Click "Copy Time" to grab the JST result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — helpful for scheduling recurring United States–Japan calls.

Why Choose Our AKST to JST Converter

Align AKST–JST Meetings Instantly

With 18 hours between AKST and JST, business-hours overlap is limited. This tool instantly shows which hours work on both sides, so you can lock in a meeting without a chain of "does 3 PM work for you?" emails.

Spot Date-Line Shifts at a Glance

A AKST evening at 9 PM is already the next morning in JST. This converter flags date changes beside the result — critical when booking flights, hitting deadlines, or scheduling across the United States–Japan corridor.

Handles DST Transitions Automatically

Daylight Saving adjustments can widen or narrow the AKST–JST gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.

Never Miss a AKST-Timed Event

Product launches, sports matches, and webinars are often announced in AKST. Convert the event time to JST so you know exactly when to tune in — with a 18 hours difference, a morning event in United States falls during work hours in Japan.

AKST to JST Time Conversion Chart

Quick-reference conversion table covering every hour of the day at a glance.

Complete 24-Hour Conversion

Alaska Standard Time to Japan Standard Time full day schedule

12:00 AM
AKST
6:00 PM
JST
1:00 AM
AKST
7:00 PM
JST
2:00 AM
AKST
8:00 PM
JST
3:00 AM
AKST
9:00 PM
JST
4:00 AM
AKST
10:00 PM
JST
5:00 AM
AKST
11:00 PM
JST
6:00 AM
AKST
12:00 AM
JST
(next day)
7:00 AM
AKST
1:00 AM
JST
(next day)
8:00 AM
AKST
2:00 AM
JST
(next day)
9:00 AM
AKST
3:00 AM
JST
(next day)
10:00 AM
AKST
4:00 AM
JST
(next day)
11:00 AM
AKST
5:00 AM
JST
(next day)
12:00 PM
AKST
6:00 AM
JST
(next day)
1:00 PM
AKST
7:00 AM
JST
(next day)
2:00 PM
AKST
8:00 AM
JST
(next day)
3:00 PM
AKST
9:00 AM
JST
(next day)
4:00 PM
AKST
10:00 AM
JST
(next day)
5:00 PM
AKST
11:00 AM
JST
(next day)
6:00 PM
AKST
12:00 PM
JST
(next day)
7:00 PM
AKST
1:00 PM
JST
(next day)
8:00 PM
AKST
2:00 PM
JST
(next day)
9:00 PM
AKST
3:00 PM
JST
(next day)
10:00 PM
AKST
4:00 PM
JST
(next day)
11:00 PM
AKST
5:00 PM
JST
(next day)