HST to SST Converter
Quick answers
Selected conversion
2:00 am02:00 HST (UTC-10), Oct 10, 2026 = 1:00 am01:00 SST (UTC-11), Oct 10, 2026
HST is 1 hour ahead of SST.
HST and SST examples
These examples always use HST (UTC-10) and SST (UTC-11). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
HST is 1 hour ahead of SST.
How the time difference changes
HST is 1 hour ahead of SST year-round.
Working hours of 9:00 am to 5:00 pm in HST correspond to 8:00 am to 4:00 pm in SST.Working hours of 09:00 to 17:00 in HST correspond to 08:00 to 16:00 in SST.
Compare HST time with SST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Hawaii Standard Time is 1 hour ahead of Samoa Standard Time.
2:00 am02:00 in HST is 1:00 am01:00 in SST
HST to SST call time
Best time for a conference call or a meeting is between 10am-5pm10:00-17:00 in HST which corresponds to 9am-4pm09:00-16:00 in SST
2:00 am02:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours
1:00 am01:00 Samoa Standard Time (SST). Offset UTC -11:00 hours
2:00 am02:00 HST / 1:00 am01:00 SST
| HST | SST |
|---|---|
| 12:00am | 11:00pm |
| 1:00am | 12:00am |
| 2:00am | 1:00am |
| 3:00am | 2:00am |
| 4:00am | 3:00am |
| 5:00am | 4:00am |
| 6:00am | 5:00am |
| 7:00am | 6:00am |
| 8:00am | 7:00am |
| 9:00am | 8:00am |
| 10:00am | 9:00am |
| 11:00am | 10:00am |
| 12:00pm | 11:00am |
| 1:00pm | 12:00pm |
| 2:00pm | 1:00pm |
| 3:00pm | 2:00pm |
| 4:00pm | 3:00pm |
| 5:00pm | 4:00pm |
| 6:00pm | 5:00pm |
| 7:00pm | 6:00pm |
| 8:00pm | 7:00pm |
| 9:00pm | 8:00pm |
| 10:00pm | 9:00pm |
| 11:00pm | 10:00pm |
| 00:00 | 23:00 |
| 01:00 | 00:00 |
| 02:00 | 01:00 |
| 03:00 | 02:00 |
| 04:00 | 03:00 |
| 05:00 | 04:00 |
| 06:00 | 05:00 |
| 07:00 | 06:00 |
| 08:00 | 07:00 |
| 09:00 | 08:00 |
| 10:00 | 09:00 |
| 11:00 | 10:00 |
| 12:00 | 11:00 |
| 13:00 | 12:00 |
| 14:00 | 13:00 |
| 15:00 | 14:00 |
| 16:00 | 15:00 |
| 17:00 | 16:00 |
| 18:00 | 17:00 |
| 19:00 | 18:00 |
| 20:00 | 19:00 |
| 21:00 | 20:00 |
| 22:00 | 21:00 |
| 23:00 | 22:00 |
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 350,964 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; see upcoming clock changes worldwide.
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
Samoa Standard Time
Offset: SST is 11 hours behind Greenwich Mean Time (GMT) and is used in Pacific
Countries using this time zone: Samoa (American), US minor outlying islands
Principal Cities: The largest city in the SST time zone is Pago Pago in American Samoa, with about 11,500 people.
Daylight Saving: Clocks in Samoa Standard Time (SST) do not change for daylight saving time, so SST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
SST representations, usage and related time zones
- -11 - basic short
- -1100 - basic
- -11:00 - extended
- -1100 - sign character (-) followed by a four digit time providing hours (11) and minutes (00) of the offset. Indicates an offset of eleven hours to the west of the zero meridian.
- X-ray - Military abbreviation for SST
- X - short form of 'X-ray'
- Pacific/Midway
- Pacific/Pago_Pago
- Pacific/Samoa
- US/Samoa
- NUT - Niue Time
- SST - Samoa Standard Time
- X - X-ray Time Zone