HST to Okinawa, Japan
Compare HST time with Okinawa time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Hawaii Standard Time is 19 hours behind JST (Japan Standard Time)
2:00 am02:00 in HST is 9:00 pm21:00 in Okinawa, Japan
HST to Okinawa call time
Best time for a conference call or a meeting is between 2pm-5pm in HST which corresponds to 9am-12pm in Okinawa (next day)
2:00 am02:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours
9:00 pm21:00 JST (Japan Standard Time) (Okinawa, Japan). Offset UTC +9:00 hours
2:00 am02:00 HST / 9:00 pm21:00 Okinawa, Japan
| HST | Okinawa, Japan |
|---|---|
| 12am (midnight) | 7pm |
| 1am | 8pm |
| 2am | 9pm |
| 3am | 10pm |
| 4am | 11pm |
| 5am | 12am (midnight) |
| 6am | 1am |
| 7am | 2am |
| 8am | 3am |
| 9am | 4am |
| 10am | 5am |
| 11am | 6am |
| 12pm (noon) | 7am |
| 1pm | 8am |
| 2pm | 9am |
| 3pm | 10am |
| 4pm | 11am |
| 5pm | 12pm (noon) |
| 6pm | 1pm |
| 7pm | 2pm |
| 8pm | 3pm |
| 9pm | 4pm |
| 10pm | 5pm |
| 11pm | 6pm |
| 00:00 | 19:00 |
| 01:00 | 20:00 |
| 02:00 | 21:00 |
| 03:00 | 22:00 |
| 04:00 | 23:00 |
| 05:00 | 00:00 |
| 06:00 | 01:00 |
| 07:00 | 02:00 |
| 08:00 | 03:00 |
| 09:00 | 04:00 |
| 10:00 | 05:00 |
| 11:00 | 06:00 |
| 12:00 | 07:00 |
| 13:00 | 08:00 |
| 14:00 | 09:00 |
| 15:00 | 10:00 |
| 16:00 | 11:00 |
| 17:00 | 12:00 |
| 18:00 | 13:00 |
| 19:00 | 14:00 |
| 20:00 | 15:00 |
| 21:00 | 16:00 |
| 22:00 | 17:00 |
| 23:00 | 18:00 |
Hawaii Standard Time
Offset: HST is 10 hours behind Greenwich Mean Time (GMT) and is used in Pacific
Countries using this time zone: United States
Principal Cities: The largest city in the HST time zone is Honolulu in the United States, with about 371,657 people. Other major cities in this time zone include Pearl City, Hilo, Kailua, Waipahu.
Daylight Saving: Clocks in Hawaii Standard Time (HST) do not change for daylight saving time, so HST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

HST representations, usage and related time zones
- -10 - basic short
- -1000 - basic
- -10:00 - extended
- -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the west of the zero meridian.
- Whiskey - Military abbreviation for HST
- W - short form of 'Whiskey'
- America/Adak
- America/Atka
- HST
- Pacific/Honolulu
- Pacific/Johnston
- US/Aleutian
- US/Hawaii
- HAST - Hawaii-Aleutian Standard Time
- CKT - Cook Island Time
- HST - Hawaii Standard Time
- TAHT - Tahiti Time
- W - Whiskey Time Zone
