Updating current time…
SST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Hawaii, USAHST
UTC−10
1h ahead
12am
3am
6am
9am
12pm
3pm
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9pm

Quick answers

Selected conversion

1:00 am01:00 SST (UTC-11), Oct 23, 2026 = 2:00 am02:00 HST (UTC-10), Oct 23, 2026

SST is 1 hour behind Hilo.

How the time difference changes

SST is 1 hour behind Hilo year-round.

Working hours of 9:00 am to 6:00 pm in SST correspond to 10:00 am to 7:00 pm in Hilo.Working hours of 09:00 to 18:00 in SST correspond to 10:00 to 19:00 in Hilo.

Compare SST time with Hilo 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 HST (Hawaii Standard Time).
1:00 am01:00 in SST is 2:00 am02:00 in Hilo, HI, USA

SST to Hilo 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 Hilo

1:00 am01:00 Samoa Standard Time (SST). Offset UTC -11:00 hours
2:00 am02:00 HST (Hawaii Standard Time) (Hilo, HI, USA). Offset UTC -10:00 hours

1:00 am01:00 SST / 2:00 am02:00 Hilo, HI, USA

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Hourly time comparison
SSTHilo, HI, USA
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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

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -11 - basic short
  • -1100 - basic
  • -11:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • X-ray - Military abbreviation for SST
  • X - short form of 'X-ray'
IANA/Olson: Reflects SST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Pacific/Midway
  • Pacific/Pago_Pago
  • Pacific/Samoa
  • US/Samoa
Time zones with the GMT -11 offset:
  • NUT - Niue Time
  • SST - Samoa Standard Time
  • X - X-ray Time Zone

Hilo Time Zone and Facts

Time Zone

Abbreviation / Offset
HST – Hawaii Standard Time, UTC-10 (no daylight saving time)

Hilo Facts

Country
USA
State
Hawaii
Alternative Names
Baie de Hilo, Chilo, Hido, Hilas, Hilo, ITO, Khilo, hillo, hilo, hiro, hylw, xi lu, xi luo, Χίλο, Хило, Хіло, הילו, ہیلو، ہوائی, हिलो, ヒロ, 希洛, 希路, 힐로
Population
43,263
Currency
Dollar (USD)
Geographic Coordinates
19° 43' N Latitude / 155° 05' W Longitude
International Dialing Code
+1