CDT to EST to MDT to PST to GMT to HST Time Converter
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6:00 am06:00 CST (UTC-6), Nov 7, 2026 = 7:00 am07:00 EST (UTC-5), Nov 7, 2026 = 5:00 am05:00 MST (UTC-7), Nov 7, 2026 = 4:00 am04:00 PST (UTC-8), Nov 7, 2026 = 12:00 pm12:00 GMT (UTC+0), Nov 7, 2026 = 2:00 am02:00 HST (UTC-10), Nov 7, 2026
CST is 1 hour behind EST. CST is 1 hour ahead of MST. CST is 2 hours ahead of PST. CST is 6 hours behind GMT. CST is 4 hours ahead of HST.
How the time difference changes
CDT to EST
For most of the year, CDT is 1 hour behind EDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, CST is 1 hour behind EST. Briefly around clock changes, CDT and EST have the same time or CST is 2 hours behind EDT.
For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 10:00 am to 7:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 10:00 am to 7:00 pm in EST.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 10:00 to 19:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 10:00 to 19:00 in EST.
CDT to MDT
For most of the year, CDT is 1 hour ahead of MDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, CST is 1 hour ahead of MST. Briefly around clock changes, CDT is 2 hours ahead of MST or CST and MDT have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 8:00 am to 5:00 pm in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 8:00 am to 5:00 pm in MST.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 08:00 to 17:00 in MDT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 08:00 to 17:00 in MST.
CDT to PST
For most of the year, CDT is 2 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, CST is 2 hours ahead of PST. Briefly around clock changes, CDT is 3 hours ahead of PST or CST is 1 hour ahead of PDT.
For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 7:00 am to 4:00 pm in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 7:00 am to 4:00 pm in PST.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 07:00 to 16:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 07:00 to 16:00 in PST.
CDT to GMT
For most of the year, CDT is 5 hours behind GMT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, CST is 6 hours behind GMT.
For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 2:00 pm to 11:00 pm in GMT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 3:00 pm to 12:00 am (next day) in GMT.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 14:00 to 23:00 in GMT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 15:00 to 00:00 (next day) in GMT.
CDT to HST
For most of the year, CDT is 5 hours ahead of HST. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, CST is 4 hours ahead of HST.
For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 4:00 am to 1:00 pm in HST. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 5:00 am to 2:00 pm in HST.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 04:00 to 13:00 in HST. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 05:00 to 14:00 in HST.
Compare CDT time with EST, MDT, PST, GMT, and HST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central Standard Time is 1 hour behind Eastern Standard Time. Central Standard Time is 1 hour ahead of Mountain Standard Time. Central Standard Time is 2 hours ahead of Pacific Standard Time. Central Standard Time is 6 hours behind Greenwich Mean Time. Central Standard Time is 4 hours ahead of Hawaii Standard Time.
6:00 am06:00 in CST is 7:00 am07:00 in EST and is 5:00 am05:00 in MST and is 4:00 am04:00 in PST and is 12:00 pm12:00 in GMT and is 2:00 am02:00 in HST
CST to EST call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in CST which corresponds to 10am-6pm10:00-18:00 in EST
CST to MST call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in CST which corresponds to 9am-5pm09:00-17:00 in MST
CST to PST call time
Best time for a conference call or a meeting is between 11am-6pm11:00-18:00 in CST which corresponds to 9am-4pm09:00-16:00 in PST
CST to GMT call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in CST which corresponds to 3pm-6pm15:00-18:00 in GMT
CST to HST call time
Best time for a conference call or a meeting is between 1pm-6pm13:00-18:00 in CST which corresponds to 9am-2pm09:00-14:00 in HST
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
5:00 am05:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
2:00 am02:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours
6:00 am06:00 CST / 7:00 am07:00 EST / 5:00 am05:00 MST / 4:00 am04:00 PST / 12:00 pm12:00 GMT / 2:00 am02:00 HST
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.
| CST | EST | MST | PST | GMT | HST |
|---|---|---|---|---|---|
| 1:00am | 11:00pm previous day | 10:00pm previous day | 6:00am | 8:00pm previous day | |
| 2:00am | 12:00am | 11:00pm previous day | 7:00am | 9:00pm previous day | |
| 3:00am | 1:00am | 12:00am | 8:00am | 10:00pm previous day | |
| 4:00am | 2:00am | 1:00am | 9:00am | 11:00pm previous day | |
| 5:00am | 3:00am | 2:00am | 10:00am | 12:00am | |
| 6:00am | 4:00am | 3:00am | 11:00am | 1:00am | |
| 7:00am | 5:00am | 4:00am | 12:00pm | 2:00am | |
| 8:00am | 6:00am | 5:00am | 1:00pm | 3:00am | |
| 9:00am | 7:00am | 6:00am | 2:00pm | 4:00am | |
| 10:00am | 8:00am | 7:00am | 3:00pm | 5:00am | |
| 11:00am | 9:00am | 8:00am | 4:00pm | 6:00am | |
| 12:00pm | 10:00am | 9:00am | 5:00pm | 7:00am | |
| 1:00pm | 11:00am | 10:00am | 6:00pm | 8:00am | |
| 2:00pm | 12:00pm | 11:00am | 7:00pm | 9:00am | |
| 3:00pm | 1:00pm | 12:00pm | 8:00pm | 10:00am | |
| 4:00pm | 2:00pm | 1:00pm | 9:00pm | 11:00am | |
| 5:00pm | 3:00pm | 2:00pm | 10:00pm | 12:00pm | |
| 6:00pm | 4:00pm | 3:00pm | 11:00pm | 1:00pm | |
| 7:00pm | 5:00pm | 4:00pm | 12:00am next day | 2:00pm | |
| 8:00pm | 6:00pm | 5:00pm | 1:00am next day | 3:00pm | |
| 9:00pm | 7:00pm | 6:00pm | 2:00am next day | 4:00pm | |
| 10:00pm | 8:00pm | 7:00pm | 3:00am next day | 5:00pm | |
| 11:00pm | 9:00pm | 8:00pm | 4:00am next day | 6:00pm | |
| 12:00am next day | 10:00pm | 9:00pm | 5:00am next day | 7:00pm | |
| 01:00 | 23:00 previous day | 22:00 previous day | 06:00 | 20:00 previous day | |
| 02:00 | 00:00 | 23:00 previous day | 07:00 | 21:00 previous day | |
| 03:00 | 01:00 | 00:00 | 08:00 | 22:00 previous day | |
| 04:00 | 02:00 | 01:00 | 09:00 | 23:00 previous day | |
| 05:00 | 03:00 | 02:00 | 10:00 | 00:00 | |
| 06:00 | 04:00 | 03:00 | 11:00 | 01:00 | |
| 07:00 | 05:00 | 04:00 | 12:00 | 02:00 | |
| 08:00 | 06:00 | 05:00 | 13:00 | 03:00 | |
| 09:00 | 07:00 | 06:00 | 14:00 | 04:00 | |
| 10:00 | 08:00 | 07:00 | 15:00 | 05:00 | |
| 11:00 | 09:00 | 08:00 | 16:00 | 06:00 | |
| 12:00 | 10:00 | 09:00 | 17:00 | 07:00 | |
| 13:00 | 11:00 | 10:00 | 18:00 | 08:00 | |
| 14:00 | 12:00 | 11:00 | 19:00 | 09:00 | |
| 15:00 | 13:00 | 12:00 | 20:00 | 10:00 | |
| 16:00 | 14:00 | 13:00 | 21:00 | 11:00 | |
| 17:00 | 15:00 | 14:00 | 22:00 | 12:00 | |
| 18:00 | 16:00 | 15:00 | 23:00 | 13:00 | |
| 19:00 | 17:00 | 16:00 | 00:00 next day | 14:00 | |
| 20:00 | 18:00 | 17:00 | 01:00 next day | 15:00 | |
| 21:00 | 19:00 | 18:00 | 02:00 next day | 16:00 | |
| 22:00 | 20:00 | 19:00 | 03:00 next day | 17:00 | |
| 23:00 | 21:00 | 20:00 | 04:00 next day | 18:00 | |
| 00:00 next day | 22:00 | 21:00 | 05:00 next day | 19:00 |
Central Daylight Time
Offset: CDT is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the CDT time zone is Chicago in the United States, with about 2.664 million people. Other major cities in this time zone include Houston, San Antonio, Dallas, Fort Worth.
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro
Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Central Standard Time (CST).
End: Central Daylight Time (CDT) ended on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.
Start: Central Daylight Time (CDT) starts on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
CDT representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for CDT
- R - short form of 'Romeo'
- America/Chicago
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Matamoros
- America/Menominee
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Resolute
- America/Winnipeg
- CST6CDT
- Canada/Central
- US/Central
- US/Indiana-Starke
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
Start: Eastern Standard Time (EST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Eastern Standard Time (EST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
EST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
Mountain Daylight Time
Offset: MDT is 6 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the MDT time zone is Ciudad Juárez in Mexico, with about 1.512 million people. Other major cities in this time zone include Denver, El Paso, Albuquerque, Colorado Springs.
French: HAR - Heure Avancée des Rocheuses
Spanish: MT - Zona Pacífico
Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Mountain Standard Time (MST).
End: Mountain Daylight Time (MDT) ended on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.
Start: Mountain Daylight Time (MDT) starts on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
MDT 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 MDT
- S - short form of 'Sierra'
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Denver
- America/Edmonton
- America/Inuvik
- America/Shiprock
- America/Yellowknife
- Canada/Mountain
- MST7MDT
- Navajo
- US/Mountain
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
Pacific Standard Time
Offset: PST is 8 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Mexico, United States
Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).
Start: Pacific Standard Time (PST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Pacific Standard Time (PST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
PST representations, usage and related time zones
- -08 - basic short
- -0800 - basic
- -08:00 - extended
- -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the west of the zero meridian.
- Uniform - Military abbreviation for PST
- U - short form of 'Uniform'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- Pacific Standard Time - UTC -8
- Pitcairn Standard Time - UTC -8
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
Greenwich Mean Time
Offset: GMT is the same as Greenwich Mean Time (GMT).
Countries using this time zone: Antarctica, Burkina Faso, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Togo, United Kingdom, Western Sahara
Principal Cities: The largest city in the GMT time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.
Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.
GMT 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 GMT
- Z - short form of 'Zulu'
- Africa/Abidjan
- Africa/Accra
- Africa/Bamako
- Africa/Banjul
- Africa/Bissau
- Africa/Conakry
- Africa/Dakar
- Africa/Freetown
- Africa/Lome
- Africa/Monrovia
- Africa/Nouakchott
- Africa/Ouagadougou
- Africa/Sao_Tome
- Africa/Timbuktu
- America/Danmarkshavn
- Atlantic/Reykjavik
- Atlantic/St_Helena
- Eire
- Etc/GMT
- Etc/GMT+0
- Etc/GMT-0
- Etc/GMT0
- Etc/Greenwich
- Europe/Belfast
- Europe/Dublin
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- GMT
- GMT+0
- GMT-0
- GMT0
- Greenwich
- Iceland
- 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
Hawaii Standard Time
Offset: HST is 10 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: United States
Principal Cities: The largest city in the HST time zone is Honolulu in the United States, with about 350,964 people. Other major cities in this time zone include Pearl City, Hilo, Kailua, Waipahu.
Daylight Saving: Some places on Hawaii Standard Time (HST) keep the same time all year, while others use HST for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.
HST representations, usage and related time zones
- -10 - basic short
- -1000 - basic
- -10:00 - extended
- -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the west of the zero meridian.
- Whiskey - Military abbreviation for HST
- W - short form of 'Whiskey'
- America/Adak
- America/Atka
- HST
- Pacific/Honolulu
- Pacific/Johnston
- US/Aleutian
- US/Hawaii
- HAST - Hawaii-Aleutian Standard Time
- CKT - Cook Island Time
- HST - Hawaii Standard Time
- TAHT - Tahiti Time
- W - Whiskey Time Zone
