CST to AZOST 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 12, 2026 = 12:00 pm12:00 AZOST (UTC+0), Oct 12, 2026
CDT is 5 hours behind AZOST.
CST (US winter time, UTC-6) and AZOST examples
These examples always use CST (UTC-6) and AZOST (UTC+0). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
CST is 6 hours behind AZOST.
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 AZOST. For daylight-time examples, use CDT to AZOST.
How the time difference changes
For most of the year, CDT is 5 hours behind AZOST. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, CDT is 4 hours behind AZOT. From Nov 1, 2026 to Mar 14, 2027, CST is 5 hours behind AZOT.
For most of the year, working hours of 9:00 am to 5:00 pm in CDT correspond to 2:00 pm to 10:00 pm in AZOST. At other times of the year, working hours of 9:00 am to 5:00 pm in CST correspond to 2:00 pm to 10:00 pm in AZOT or working hours of 9:00 am to 5:00 pm in CDT correspond to 1:00 pm to 9:00 pm in AZOT.For most of the year, working hours of 09:00 to 17:00 in CDT correspond to 14:00 to 22:00 in AZOST. At other times of the year, working hours of 09:00 to 17:00 in CST correspond to 14:00 to 22:00 in AZOT or working hours of 09:00 to 17:00 in CDT correspond to 13:00 to 21:00 in AZOT.
Compare CST time with AZOST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central Daylight Time is 5 hours behind Azores Summer Time.
7:00 am07:00 in CDT is 12:00 pm12:00 in AZOST
CDT to AZOST call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in CDT which corresponds to 2pm-5pm14:00-17:00 in AZOST
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
12:00 pm12:00 Azores Summer Time (AZOST). Offset UTC 0:00 hours
7:00 am07:00 CDT / 12:00 pm12:00 AZOST
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, 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
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.
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
Azores Summer Time
Offset: AZOST is the same as Greenwich Mean Time (GMT).
Countries using this time zone: Portugal
Principal Cities: The largest city in the AZOST time zone is Ponta Delgada in Portugal, with about 20,056 people. Other major cities in this time zone include Lagoa, Angra do Heroísmo, Rabo de Peixe, Horta.
Today all shaded areas are on AZOST.
Daylight Saving: Azores Summer Time (AZOST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Azores Time (AZOT).
Start: Azores Summer Time (AZOST) started on Sunday, March 29, 2026 at 12:00 am00:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 1:00 am01:00. Daylight saving starts annually on the last Sunday of March.
End: Azores Summer Time (AZOST) ends on Sunday, October 25, 2026 at 1:00 am01:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 12:00 am00:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.
AZOST representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
- Zulu - Military abbreviation for AZOST
- Z - short form of 'Zulu'
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Coordinated Universal Time
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone