Convert time from AKST to JST. Enter any time to see the equivalent JST time, compare current AKST and JST times side by side, and find overlapping business hours for calls and meetings.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Quick-reference conversion table covering every hour of the day at a glance.
Alaska Standard Time to Japan Standard Time full day schedule
| Alaska Standard Time | Japan Standard Time |
|---|---|
| 12:00 AM |
6:00 PM
|
| 1:00 AM |
7:00 PM
|
| 2:00 AM |
8:00 PM
|
| 3:00 AM |
9:00 PM
|
| 4:00 AM |
10:00 PM
|
| 5:00 AM |
11:00 PM
|
| 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)
|
| 10:00 AM |
4:00 AM
(next day)
|
| 11:00 AM |
5:00 AM
(next day)
|
| 12:00 PM |
6:00 AM
(next day)
|
| 1:00 PM |
7:00 AM
(next day)
|
| 2:00 PM |
8:00 AM
(next day)
|
| 3:00 PM |
9:00 AM
(next day)
|
| 4:00 PM |
10:00 AM
(next day)
|
| 5:00 PM |
11:00 AM
(next day)
|
| 6:00 PM |
12:00 PM
(next day)
|
| 7:00 PM |
1:00 PM
(next day)
|
| 8:00 PM |
2:00 PM
(next day)
|
| 9:00 PM |
3:00 PM
(next day)
|
| 10:00 PM |
4:00 PM
(next day)
|
| 11:00 PM |
5:00 PM
(next day)
|
Japan — one of the few large economies that has no DST, so JST is JST year-round (UTC+9). Business hours 9 AM – 6 PM JST with strong presence-based culture (staying past 7 PM is common). Same offset as Korean Standard Time (KST).
Explore more akst conversions for major business and travel corridors. Each page includes a 24-hour chart, time difference summary, and meeting overlap guidance.
Find the time difference from any major zone into Japan Standard Time. Use these pages when scheduling with Japan from a different region.
