SST to HST Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
1:00 am01:00 SST (UTC-11), Oct 26, 2026 = 2:00 am02:00 HST (UTC-10), Oct 26, 2026
SST is 1 hour behind HST.
SST and HST examples
These examples always use SST (UTC-11) and HST (UTC-10). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
SST is 1 hour behind HST.
How the time difference changes
SST is 1 hour behind HST year-round.
Working hours of 9:00 am to 6:00 pm in SST correspond to 10:00 am to 7:00 pm in HST.Working hours of 09:00 to 18:00 in SST correspond to 10:00 to 19:00 in HST.
Compare SST time with HST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Samoa Standard Time is 1 hour behind Hawaii Standard Time.
1:00 am01:00 in SST is 2:00 am02:00 in HST
SST to HST call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in SST which corresponds to 10am-6pm10:00-18:00 in HST
1:00 am01:00 Samoa Standard Time (SST). Offset UTC -11:00 hours
2:00 am02:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours
1:00 am01:00 SST / 2:00 am02:00 HST
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| SST | HST |
|---|---|
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| 6:00pm | |
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| 12:00am next day | |
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| 00:00 next day |
Samoa Standard Time
Offset: SST is 11 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: American Samoa, United States Minor Outlying Islands
Principal Cities: The largest city in the SST time zone is Pago Pago in American Samoa, with about 11,500 people. Other major cities in this time zone include Tāfuna, Nu‘uuli, Leone, Faleniu.
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
Hawaii Standard Time
Offset: HST is 10 hours behind Greenwich Mean Time (GMT).
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: Some places on Hawaii Standard Time (HST) keep the same time all year, while others use HST for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.
Today the lighter areas are on UTC−9 (HDT).
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