JST to AKST Converter

AKST is 18 hours behind JST. 9:00 AM JST = 3:00 PM AKST (previous day).

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JSTfrom
Japan Standard Time
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Alaska Standard Time
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AKST is 18 hours behind JST at the moment. To convert JST to AKST, subtract 18 hours from the JST time: 9:00 AM JST = 3:00 PM AKST (previous day).

JST (Japan Time) is used in Japan. AKST (Alaska Time) is used in Most of Alaska (Anchorage, Fairbanks, Juneau).

JST to AKST time conversion table

JST to AKST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

12 AM – 7 AM JST
JSTAKST
12:00 AM6:00 AM−1
1:00 AM7:00 AM−1
2:00 AM8:00 AM−1
3:00 AM9:00 AM−1
4:00 AM10:00 AM−1
5:00 AM11:00 AM−1
6:00 AM12:00 PM−1
7:00 AM1:00 PM−1
8 AM – 3 PM JST
JSTAKST
8:00 AM2:00 PM−1
9:00 AM3:00 PM−1
10:00 AM4:00 PM−1
11:00 AM5:00 PM−1
12:00 PM6:00 PM−1
1:00 PM7:00 PM−1
2:00 PM8:00 PM−1
3:00 PM9:00 PM−1
4 PM – 11 PM JST
JSTAKST
4:00 PM10:00 PM−1
5:00 PM11:00 PM−1
6:00 PM12:00 AM
7:00 PM1:00 AM
8:00 PM2:00 AM
9:00 PM3:00 AM
10:00 PM4:00 AM
11:00 PM5:00 AM

Conversion table from JST to AKST for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in AKST, −1 the previous day.

  • ✓ marks 9 AM–5 PM in both places
  • Greyed times are night in the destination (10 PM–6 AM)

How to convert JST to AKST

Subtract 18 hours from the JST time to get AKST.

Example: 9:00 AM JST = 3:00 PM AKST (previous day).

Across midnight: 1:00 AM JST = 7:00 AM AKST (previous day). The date changes, so always check the day as well as the hour.

Time difference between JST and AKST

The time difference between JST and AKST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:

  • 1 Jan 2026 – 7 Mar 2026: AKST is 18 hours behind of JST.
  • 8 Mar 2026 – 31 Oct 2026: AKST is 17 hours behind of JST.
  • 1 Nov 2026 – 31 Dec 2026: AKST is 18 hours behind of JST.

JST and AKST during daylight saving time

  • JST does not observe daylight saving time; it stays on UTC+9 all year.
  • AKST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from AKST (UTC−9) to AKDT (UTC−8).

Best time for a meeting between JST and AKST

JST and AKST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM JST, which is 1:00 PM AKST.

Plan a meeting across more time zones.

JST to AKST FAQ

What is the time difference between JST and AKST?

Right now AKST is 18 hours behind JST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.

What is 9 AM JST in AKST?

9:00 AM JST is 3:00 PM AKST (previous day).

What is 12 PM (noon) JST in AKST?

12:00 PM JST is 6:00 PM AKST (previous day).

Is AKST ahead of or behind JST?

AKST is 18 hours behind JST, so it is earlier in AKST than in JST.

Does JST change for daylight saving time?

No. JST stays on the same offset all year, so conversions never shift for daylight saving time.

Does AKST change for daylight saving time?

Yes. AKST next changes on 14 Mar 2027, when clocks go forward one hour from AKST to AKDT.

What is the best time for a meeting between JST and AKST?

JST and AKST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM JST, which is 1:00 PM AKST.

Related conversions

Convert AKST to JST

Convert JST to other time zones

Convert other time zones to AKST

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.