JST to AKST Converter
Time Difference
Japan Standard Time is 17 hours ahead of Alaska Daylight Time
9:00 am09:00 in JST is 4:00 pm16:00 in AKDT
JST to AKST call time
Best time for a conference call or a meeting is between 10pm-12pm in JST which corresponds to 4am-6am in AKST
9:00 am09:00 Japan Standard Time (JST). Offset UTC +9:00 hours
4:00 pm16:00 Alaska Daylight Time (AKDT). Offset UTC -8:00 hours
9:00 am09:00 JST / 4:00 pm16:00 AKDT
JST | AKDT |
---|---|
12am (midnight) | 7am |
1am | 8am |
2am | 9am |
3am | 10am |
4am | 11am |
5am | 12pm (noon) |
6am | 1pm |
7am | 2pm |
8am | 3pm |
9am | 4pm |
10am | 5pm |
11am | 6pm |
12pm (noon) | 7pm |
1pm | 8pm |
2pm | 9pm |
3pm | 10pm |
4pm | 11pm |
5pm | 12am (midnight) |
6pm | 1am |
7pm | 2am |
8pm | 3am |
9pm | 4am |
10pm | 5am |
11pm | 6am |
0:00 | 7:00 |
1:00 | 8:00 |
2:00 | 9:00 |
3:00 | 10:00 |
4:00 | 11:00 |
5:00 | 12:00 |
6:00 | 13:00 |
7:00 | 14:00 |
8:00 | 15:00 |
9:00 | 16:00 |
10:00 | 17:00 |
11:00 | 18:00 |
12:00 | 19:00 |
13:00 | 20:00 |
14:00 | 21:00 |
15:00 | 22:00 |
16:00 | 23:00 |
17:00 | 0:00 |
18:00 | 1:00 |
19:00 | 2:00 |
20:00 | 3:00 |
21:00 | 4:00 |
22:00 | 5:00 |
23:00 | 6:00 |
Japan Standard Time
Offset: JST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: Japan
Principal Cities: The largest city in the JST timezone is Tokyo from Japan with population about 8.337 million people. Other major cities in the area are Yokohama, Osaka shi, Nagoya shi, Sapporo
Daylight Saving: Japan Standard Time (JST) is not adjusted for daylight saving therefore JST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Japan Standard Time remains the same

JST representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine hour and zero minutes time differences to the east of the zero meridian.
- India - Military abbreviation for JST
- I - short form of 'India'
- Asia/Tokyo
- Japan
- AWDT - Australian Western Daylight Time
- CHOST - Choibalsan Summer Time
- I - India Time Zone
- IRKST - Irkutsk Summer Time
- JST - Japan Standard Time
- KST - Korea Standard Time
- PWT - Palau Time
- TLT - East Timor Time
- ULAST - Ulaanbaatar Summer Time
- WIT - Eastern Indonesian Time
- YAKT - Yakutsk Time
Alaska Standard Time
Offset: AKST is 9 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: United States
Principal Cities: The largest city in the AKST timezone is Anchorage from USA with population about 291,826 people. Other major cities in the area are Fairbanks, Juneau, Eagle River, Badger

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Alaska Daylight Time (AKDT).
End: Alaska Standard Time (AKST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Alaska Standard Time (AKST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
AKST representations, usage and related time zones
- -09 - basic short
- -0900 - basic
- -09:00 - extended
- -0900 - sign character (-) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine hour and zero minutes time differences to the west of the zero meridian.
- Victor - Military abbreviation for AKST
- V - short form of 'Victor'
- America/Anchorage
- America/Juneau
- America/Metlakatla
- America/Nome
- America/Sitka
- America/Yakutat
- US/Alaska
- AKST - Alaska Standard Time
- AHDT - Alaska-Hawaii Daylight Time
- HADT - Hawaii-Aleutian Daylight Time
- GAMT - Gambier Time
- HDT - Hawaii Daylight Time
- V - Victor Time Zone