CST to ICT Converter
Central Time is on daylight saving time: CDT (UTC−5) until Sun, Nov 1.
Mexico City and Saskatchewan stay on CST (UTC−6).
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
7:00 am07:00 CDT (UTC-5), Oct 21, 2026 = 7:00 pm19:00 ICT (UTC+7), Oct 21, 2026
CDT is 12 hours behind ICT.
CST (US winter time, UTC-6) and ICT examples
These examples always use CST (UTC-6) and ICT (UTC+7). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
CST is 13 hours behind ICT.
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 ICT. For daylight-time examples, use CDT to ICT.
How the time difference changes
For most of the year, CDT is 12 hours behind ICT. From Nov 1, 2026 to Mar 14, 2027, CST is 13 hours behind ICT.
For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 9:00 pm to 6:00 am (next day) in ICT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 10:00 pm to 7:00 am (next day) in ICT.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 21:00 to 06:00 (next day) in ICT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 22:00 to 07:00 (next day) in ICT.
Compare CST time with ICT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central Daylight Time is 12 hours behind Indochina Time.
7:00 am07:00 in CDT is 7:00 pm19:00 in ICT
CDT to ICT call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in CDT which corresponds to 7pm-8pm19:00-20:00 in ICT. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
7:00 pm19:00 Indochina Time (ICT). Offset UTC +7:00 hours
7:00 am07:00 CDT / 7:00 pm19:00 ICT
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.
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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, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, 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
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).
End: 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.
Start: 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 USA daylight saving time and upcoming clock changes worldwide.
CST representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -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.
- Sierra - Military abbreviation for CST
- S - short form of 'Sierra'
- 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
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
Indochina Time
Offset: ICT is 7 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Cambodia, Laos, Thailand, Vietnam
Principal Cities: The largest city in the ICT time zone is Ho Chi Minh City in Vietnam, with about 14.003 million people. Other major cities in this time zone include Hanoi, Bangkok, Haiphong, Phnom Penh.
Daylight Saving: Clocks in Indochina Time (ICT) do not change for daylight saving time, so ICT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
ICT representations, usage and related time zones
- +07 - basic short
- +0700 - basic
- +07:00 - extended
- +0700 - sign character (+) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the east of the zero meridian.
- Golf - Military abbreviation for ICT
- G - short form of 'Golf'
- CXT - Christmas Island Time
- DAVT - Davis Time
- G - Golf Time Zone
- HOVT - Hovd Time
- ICT - Indochina Time
- KRAT - Krasnoyarsk Time
- NOVST - Novosibirsk Summer Time
- NOVT - Novosibirsk Time
- OMSST - Omsk Summer Time
- WIB - Western Indonesian Time