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CDT/CST
12am
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Central Time is on daylight saving time: CDT (UTC−5) until Sun, Nov 1.

Mexico City and Saskatchewan stay on CST (UTC−6).

WST
UTC+13
tomorrow (next day)
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Quick answers

Selected conversion

7:00 am07:00 CDT (UTC-5), Oct 14, 2026 = 1:00 am01:00 WST (UTC+13), Oct 15, 2026

CDT is 18 hours behind WST.

CST (US winter time, UTC-6) and WST examples

These examples always use CST (UTC-6) and WST (UTC+13). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

CST is 19 hours behind WST.

CST is US Central winter time (early November to mid-March). The rest of the year Chicago uses CDT (UTC-5), one hour later. For Central Time that follows daylight saving time, use CT to WST-PACIFIC. For daylight-time examples, use CDT to WST-PACIFIC.

How the time difference changes

For most of the year, CDT is 18 hours behind WST Pacific. From Nov 1, 2026 to Mar 14, 2027, CST is 19 hours behind WST Pacific.

For most of the year, working hours of 9:00 am to 5:00 pm in CDT correspond to 3:00 am (next day) to 11:00 am (next day) in WST Pacific. At other times of the year, working hours of 9:00 am to 5:00 pm in CST correspond to 4:00 am (next day) to 12:00 pm (next day) in WST Pacific.For most of the year, working hours of 09:00 to 17:00 in CDT correspond to 03:00 (next day) to 11:00 (next day) in WST Pacific. At other times of the year, working hours of 09:00 to 17:00 in CST correspond to 04:00 (next day) to 12:00 (next day) in WST Pacific.

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

Time Difference

Central Daylight Time is 18 hours behind West Samoa Time.
7:00 am07:00 in CDT is 1:00 am01:00 in WST

CDT to WST call time
Best time for a conference call or a meeting is between 3pm-5pm15:00-17:00 in CDT which corresponds to 9am-11am09:00-11:00 in WST (next day)

7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
1:00 am01:00 West Samoa Time (WST). Offset UTC +13:00 hours

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

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.

Hourly time comparison
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Central Standard Time

Offset: CST is 6 hours behind Greenwich Mean Time (GMT).

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

Principal Cities: The largest city in the CST 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 Standard Time (CST)
CST all year CST part of the year

Today the lighter areas are on UTC−5 (Central Daylight Time).

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central Daylight Time (CDT).

123456789101112End: Central Standard Time (CST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

123456789101112Start: Central Standard Time (CST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

See upcoming clock changes worldwide.

CST 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 CST
  • S - short form of 'Sierra'
IANA/Olson: Reflects CST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Bahia_Banderas
  • America/Belize
  • America/Chicago
  • America/Chihuahua
  • America/Costa_Rica
  • America/El_Salvador
  • America/Guatemala
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Managua
  • America/Matamoros
  • America/Menominee
  • America/Merida
  • America/Mexico_City
  • America/Monterrey
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Regina
  • America/Resolute
  • America/Swift_Current
  • America/Tegucigalpa
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • Canada/Saskatchewan
  • Mexico/General
  • US/Central
  • US/Indiana-Starke
CST Abbreviation: Several time zones share CST abbreviation and it could refer to these time zones
  • Central Standard Time - UTC -6
  • China Standard Time - UTC +8
  • Cuba Standard Time - UTC -5
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

West Samoa Time

Offset: WST is 13 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Samoa (western)

Principal Cities: The largest city in the WST time zone is Apia in Samoa, with about 40,407 people. Other major cities in this time zone include Palauli, Asau, Mulifanua, Sale’imoa.

Daylight Saving: Clocks in West Samoa Time (WST) do not change for daylight saving time, so WST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

WST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +13 - basic short
  • +1300 - basic
  • +13:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1300 - sign character (+) followed by a four digit time providing hours (13) and minutes (00) of the offset. Indicates an offset of thirteen hours to the east of the zero meridian.
WST Abbreviation: Several time zones share WST abbreviation and it could refer to these time zones
  • Western Sahara Summer Time - UTC +1
  • West Samoa Time - UTC +13
Time zones with the GMT +13 offset:
  • FJST - Fiji Summer Time
  • NZDT - New Zealand Daylight Time
  • PHOT - Phoenix Island Time
  • TKT - Tokelau Time
  • TOT - Tonga Time
  • WST - West Samoa Time
  • WSST - West Samoa Standard Time