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SST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CT/CDT
UTC−5
6h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

1:00 am01:00 SST (UTC-11), Oct 29, 2026 = 7:00 am07:00 CDT (UTC-5), Oct 29, 2026

SST is 6 hours behind CDT.

How the time difference changes

For most of the year, SST is 6 hours behind CT. From Nov 1, 2026 to Mar 14, 2027, SST is 5 hours behind CT.

For most of the year, working hours of 9:00 am to 6:00 pm in SST correspond to 3:00 pm to 12:00 am (next day) in CT. At other times of the year, working hours of 9:00 am to 6:00 pm in SST correspond to 2:00 pm to 11:00 pm in CT.For most of the year, working hours of 09:00 to 18:00 in SST correspond to 15:00 to 00:00 (next day) in CT. At other times of the year, working hours of 09:00 to 18:00 in SST correspond to 14:00 to 23:00 in CT.

Compare SST time with CT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Samoa Standard Time is 6 hours behind Central Daylight Time.
1:00 am01:00 in SST is 7:00 am07:00 in CDT

SST to CDT call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in SST which corresponds to 3pm-6pm15:00-18:00 in CDT

1:00 am01:00 Samoa Standard Time (SST). Offset UTC -11:00 hours
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours

1:00 am01:00 SST / 7:00 am07:00 CDT

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Hourly time comparison
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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

Central Time

Central Time (CT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. CT is not static but switches between CDT and CST.

Territories observing the time zone are primarily in North and Central America. It runs through several Mexican and U.S. states, as well as several Canadian provinces and Central American countries.

Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States

Principal Cities: The largest city in the CT time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.

French: HNC - Heure Normale du Centre

Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

Map of the areas on Central Time (CT)
CT all year CT part of the year

Today the lighter areas are on UTC−6 (Central Standard Time, MDT).

CT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for CT
  • S - short form of 'Sierra'
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone