AKST to JST Converter & Meeting Planner
Quick answer: 9:00 AM AKST = 3:00 AM JST (fixed -09:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Alaska Standard Time (AKST) and Japan Standard Time (JST)? You need to account for the standard time difference. Japan Standard Time is normally 18 hours ahead of Alaska Standard Time. Whether you are coordinating between teams in Anchorage and Fairbanks and Tokyo and Osaka, our live tool has you covered. Use our interactive overlap studio below to find the perfect waking hours for both regions, taking into account any seasonal Daylight Saving Time (DST) changes.
24-Hour Conversion Table
Quick reference: 12:00 AM AKST = 6:00 PM JST. The full 24-hour AKST to JST table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM AKST = 9:00 AM JST (+1 day).
| AKST Time | JST Time |
|---|---|
| 12:00 AM (00:00) | 6:00 PM (18:00) |
| 1:00 AM (01:00) | 7:00 PM (19:00) |
| 2:00 AM (02:00) | 8:00 PM (20:00) |
| 3:00 AM (03:00) | 9:00 PM (21:00) |
| 4:00 AM (04:00) | 10:00 PM (22:00) |
| 5:00 AM (05:00) | 11:00 PM (23:00) |
| 6:00 AM (06:00) | 12:00 AM (00:00)+1 day |
| 7:00 AM (07:00) | 1:00 AM (01:00)+1 day |
| 8:00 AM (08:00) | 2:00 AM (02:00)+1 day |
| 9:00 AM (09:00) | 3:00 AM (03:00)+1 day |
| 10:00 AM (10:00) | 4:00 AM (04:00)+1 day |
| 11:00 AM (11:00) | 5:00 AM (05:00)+1 day |
| 12:00 PM (12:00) | 6:00 AM (06:00)+1 day |
| 1:00 PM (13:00) | 7:00 AM (07:00)+1 day |
| 2:00 PM (14:00) | 8:00 AM (08:00)+1 day |
| 3:00 PM (15:00) | 9:00 AM (09:00)+1 day |
| 4:00 PM (16:00) | 10:00 AM (10:00)+1 day |
| 5:00 PM (17:00) | 11:00 AM (11:00)+1 day |
| 6:00 PM (18:00) | 12:00 PM (12:00)+1 day |
| 7:00 PM (19:00) | 1:00 PM (13:00)+1 day |
| 8:00 PM (20:00) | 2:00 PM (14:00)+1 day |
| 9:00 PM (21:00) | 3:00 PM (15:00)+1 day |
| 10:00 PM (22:00) | 4:00 PM (16:00)+1 day |
| 11:00 PM (23:00) | 5:00 PM (17:00)+1 day |
Best time to call Tokyo from Anchorage
For most work calls, compare the normal business day in Anchorage (AKST) with the business day in Tokyo (JST). AKST commonly covers North America, Alaska, while JST is mainly associated with East Asia.
⚠️ Note: 2026-07-05 is not a normal workday in one or both regions based on their configured calendar. The overlap below should be treated as a reference, not a guaranteed office-hours window.
✅ The most practical overlap on 2026-07-05 is usually 4:00 PM - 5:00 PM AKST, which corresponds to 9:00 AM - 10:00 AM JST. This window sits inside the typical AKST workday (8:00 AM - 5:00 PM) and the JST workday (9:00 AM - 6:00 PM).
- DST Safety: AKST or JST may shift during Daylight Saving Time. Always confirm the converted time for your specific date.
- US Equity Markets (NYSE/NASDAQ) - Local AKST Hours: 05:30-12:00 local time in Anchorage.
- Tokyo Stock Exchange (TSE): 09:00-15:00 local time in Tokyo.
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Frequently Asked Questions
What is the time difference between AKST and JST?
During standard time, Japan Standard Time is 18 hours ahead of Alaska Standard Time.
Does Alaska observe Daylight Saving Time?
Most of Alaska observes Daylight Saving Time, transitioning from Alaska Standard Time (AKST, UTC-09:00) to Alaska Daylight Time (AKDT, UTC-08:00) on the second Sunday in March. Clocks revert to AKST on the first Sunday in November, following the same DST schedule as the contiguous United States.
Is all of Alaska on Alaska Standard Time?
Almost all of Alaska uses AKST, but the westernmost Aleutian Island communities — those located west of 169° 30′ W longitude — observe Hawaii-Aleutian Time (HST, UTC-10:00) instead. This exception reflects their extreme western geographic position, which places them closer in solar time to Hawaii than to Anchorage.
Does Japan observe Daylight Saving Time?
Japan has not observed Daylight Saving Time since 1951, when the practice introduced during the Allied occupation was abolished by the Japanese government. JST has remained fixed at UTC+9:00 ever since, and there is no current legislation to reintroduce DST in Japan.
Is JST the same as Korean Standard Time (KST)?
Yes, South Korea's Korean Standard Time (KST) operates at the same UTC+9:00 offset as JST, and South Korea also does not observe Daylight Saving Time. The two countries share an identical clock year-round, which simplifies scheduling for the significant trade, technology, and cultural exchange between Tokyo and Seoul.