US Alaska Time to Japan Standard Time
Convert times between US Alaska Time (AKST, UTC-9:00) and Japan Standard Time (JST, UTC+9:00). Japan Standard Time is 18 hours ahead of US Alaska Time in standard time. During daylight saving time this difference changes to 17 hours.
UTC-9:00 / -8:00→UTC+9:00
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| US Alaska Time | AKST / AKDT | UTC-9:00 | UTC-8:00 | United States |
| Japan Standard Time | JST | UTC+9:00 | — | Japan |
* DST offset applies during summer months. Exact transition dates vary by year.
Standard Time Conversion (AKST → JST)
| US Alaska Time | Japan Standard Time |
|---|---|
| 12:00 AM AKST | 6:00 PM JST |
| 6:00 AM AKST | 12:00 AM (next day) JST |
| 9:00 AM AKST | 3:00 AM (next day) JST |
| 12:00 PM AKST | 6:00 AM (next day) JST |
| 3:00 PM AKST | 9:00 AM (next day) JST |
| 6:00 PM AKST | 12:00 PM (next day) JST |
| 9:00 PM AKST | 3:00 PM (next day) JST |
Summer (DST) Conversion (AKDT → JST)
| US Alaska Time (summer) | Japan Standard Time (summer) |
|---|---|
| 12:00 AM AKDT | 5:00 PM JST |
| 6:00 AM AKDT | 11:00 PM JST |
| 9:00 AM AKDT | 2:00 AM (next day) JST |
| 12:00 PM AKDT | 5:00 AM (next day) JST |
| 3:00 PM AKDT | 8:00 AM (next day) JST |
| 6:00 PM AKDT | 11:00 AM (next day) JST |
| 9:00 PM AKDT | 2:00 PM (next day) JST |
Daylight Saving Time (DST) Notes
- US Alaska Time observes DST. Clocks advance 1 hour to AKDT (UTC-8:00) roughly from month 3 to 11.
- The offset difference shifts between 18h (standard) and 17h (DST season). Always verify the current offset using the live converter below.
Frequently Asked Questions
How do I convert AKST to JST?
Add 18 hours to the AKST time to get JST. For example, 9:00 AM AKST = 3:00 AM JST.
What is the current UTC offset for US Alaska Time?
US Alaska Time is UTC-9:00 during standard time (AKST) and UTC-8:00 during summer daylight saving time (AKDT).
Is Japan Standard Time ahead or behind US Alaska Time?
Japan Standard Time is 18 hours ahead of US Alaska Time in standard time.
When is a good time to schedule a meeting between AKST and JST?
A good overlap window is around 3:00 PM AKST / 9:00 AM (next day) JST, which falls within business hours for both timezones.
Related Timezone Conversions
US Alaska Time → US Eastern TimeAKST / ESTUS Alaska Time → US Central TimeAKST / CSTUS Alaska Time → US Mountain TimeAKST / MSTUS Alaska Time → US Pacific TimeAKST / PSTUS Alaska Time → Hawaii TimeAKST / HSTUS Alaska Time → Canada Atlantic TimeAKST / ASTUS Alaska Time → China Standard TimeAKST / CSTUS Alaska Time → Hong Kong TimeAKST / HKT
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.