MDT/MST
Mountain Daylight Time
GMT -6
MST automatically adjusted to MDT time zone, that is in use
EDT/EST
Eastern Daylight Time
GMT -4
EST automatically adjusted to EDT time zone, that is in use
CDT/CST
Central Daylight Time
GMT -5
CST automatically adjusted to CDT time zone, that is in use
PDT/PST
Pacific Daylight Time
GMT -7
PST automatically adjusted to PDT time zone, that is in use
AKDT/AKST
Alaska Daylight Time
GMT -8
AKST automatically adjusted to AKDT time zone, that is in use
HST
Hawaii Standard Time
GMT -10
MEZ
Mitteleuropäische Zeit
GMT +1

Time Difference

Mountain Daylight Time is 2 hours behind of Eastern Daylight Time and 1 hours behind of Central Daylight Time and 1 hour ahead of Pacific Daylight Time and 2 hours ahead of Alaska Daylight Time and 4 hours ahead of Hawaii Standard Time and 7 hours behind of Mitteleuropäische Zeit
So 9:00 pm21:00 in MDT is 11:00 pm23:00 in EDT and is 10:00 pm22:00 in CDT and is 8:00 pm20:00 in PDT and is 7:00 pm19:00 in AKDT and is 5:00 pm17:00 in HST and is 4:00 am04:00 in MEZ

9:00 pm21:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
11:00 pm23:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
10:00 pm22:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
8:00 pm20:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
7:00 pm19:00 Alaska Daylight Time (AKDT). Offset UTC -8:00 hours
5:00 pm17:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours
4:00 am04:00 Mitteleuropäische Zeit (MEZ). Offset UTC +1:00 hour

9:00 pm21:00 MDT / 11:00 pm23:00 EDT / 10:00 pm22:00 CDT / 8:00 pm20:00 PDT / 7:00 pm19:00 AKDT / 5:00 pm17:00 HST / 4:00 am04:00 MEZ

MDT EDT CDT PDT AKDT HST MEZ
12am (midnight) 2am 1am 11pm 10pm 8pm 7am
1am 3am 2am 12am (midnight) 11pm 9pm 8am
2am 4am 3am 1am 12am (midnight) 10pm 9am
3am 5am 4am 2am 1am 11pm 10am
4am 6am 5am 3am 2am 12am (midnight) 11am
5am 7am 6am 4am 3am 1am 12pm (noon)
6am 8am 7am 5am 4am 2am 1pm
7am 9am 8am 6am 5am 3am 2pm
8am 10am 9am 7am 6am 4am 3pm
9am 11am 10am 8am 7am 5am 4pm
10am 12pm (noon) 11am 9am 8am 6am 5pm
11am 1pm 12pm (noon) 10am 9am 7am 6pm
12pm (noon) 2pm 1pm 11am 10am 8am 7pm
1pm 3pm 2pm 12pm (noon) 11am 9am 8pm
2pm 4pm 3pm 1pm 12pm (noon) 10am 9pm
3pm 5pm 4pm 2pm 1pm 11am 10pm
4pm 6pm 5pm 3pm 2pm 12pm (noon) 11pm
5pm 7pm 6pm 4pm 3pm 1pm 12am (midnight)
6pm 8pm 7pm 5pm 4pm 2pm 1am
7pm 9pm 8pm 6pm 5pm 3pm 2am
8pm 10pm 9pm 7pm 6pm 4pm 3am
9pm 11pm 10pm 8pm 7pm 5pm 4am
10pm 12am (midnight) 11pm 9pm 8pm 6pm 5am
11pm 1am 12am (midnight) 10pm 9pm 7pm 6am
0:00 2:00 1:00 23:00 22:00 20:00 7:00
1:00 3:00 2:00 0:00 23:00 21:00 8:00
2:00 4:00 3:00 1:00 0:00 22:00 9:00
3:00 5:00 4:00 2:00 1:00 23:00 10:00
4:00 6:00 5:00 3:00 2:00 0:00 11:00
5:00 7:00 6:00 4:00 3:00 1:00 12:00
6:00 8:00 7:00 5:00 4:00 2:00 13:00
7:00 9:00 8:00 6:00 5:00 3:00 14:00
8:00 10:00 9:00 7:00 6:00 4:00 15:00
9:00 11:00 10:00 8:00 7:00 5:00 16:00
10:00 12:00 11:00 9:00 8:00 6:00 17:00
11:00 13:00 12:00 10:00 9:00 7:00 18:00
12:00 14:00 13:00 11:00 10:00 8:00 19:00
13:00 15:00 14:00 12:00 11:00 9:00 20:00
14:00 16:00 15:00 13:00 12:00 10:00 21:00
15:00 17:00 16:00 14:00 13:00 11:00 22:00
16:00 18:00 17:00 15:00 14:00 12:00 23:00
17:00 19:00 18:00 16:00 15:00 13:00 0:00
18:00 20:00 19:00 17:00 16:00 14:00 1:00
19:00 21:00 20:00 18:00 17:00 15:00 2:00
20:00 22:00 21:00 19:00 18:00 16:00 3:00
21:00 23:00 22:00 20:00 19:00 17:00 4:00
22:00 0:00 23:00 21:00 20:00 18:00 5:00
23:00 1:00 0:00 22:00 21:00 19:00 6:00

Mountain Standard Time

Offset: MST is 7 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Canada, Mexico, United States

Principal Cities: The largest city in the MST timezone is Ciudad Juarez from Mexico with population about 1.512 million people. Other major cities in the area are Phoenix, Calgary, Chihuahua, Edmonton

Daylight Saving: This is a standard timezone, however during summer some places adjust time for one hour forward for daylight saving and observe Mountain Daylight Time (MDT).

End: MST ended and clocks were set one hour forward on Sunday, 08 March 2020, at 2:00 (2:00 am) local time.

Start: MST starts and clocks are set one hour back on Sunday, 01 November 2020, at 2:00 (2:00 am) local time.

French: HNR - Heure Normale des Rocheuses

Spanish: MT - Zona Pacífico

MST Time Zone Geo Map
MST timezone map
MST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -07 - basic short
  • -0700 - basic
  • -07:00 - extended

Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates seven hour and zero minutes time differences to the west of the zero meridian.

Military/NATO: Used by the U.S. military, Chinese military and others
  • Tango - Military abbreviation for MST
  • T - short form of 'Tango'

IANA/Olson: Reflects MST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Boise
  • America/Cambridge_Bay
  • America/Chihuahua
  • America/Creston
  • America/Dawson
  • America/Dawson_Creek
  • America/Denver
  • America/Edmonton
  • America/Fort_Nelson
  • America/Hermosillo
  • America/Inuvik
  • America/Mazatlan
  • America/Ojinaga
  • America/Phoenix
  • America/Shiprock
  • America/Whitehorse
  • America/Yellowknife
  • Canada/Mountain
  • Canada/Yukon
  • MST
  • MST7MDT
  • Mexico/BajaSur
  • Navajo
  • US/Arizona
  • US/Mountain

Time zones with the GMT -7 offset:

  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • T - Tango Time Zone


Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States

Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens

Daylight Saving: This is a standard timezone, however during summer some places adjust time for one hour forward for daylight saving and observe Eastern Daylight Time (EDT).

End: EST ended and clocks were set one hour forward on Sunday, 08 March 2020, at 2:00 (2:00 am) local time.

Start: EST starts and clocks are set one hour back on Sunday, 01 November 2020, at 2:00 (2:00 am) local time.

French: HNE - Heure Normale de l'Est

Spanish: ET - Tiempo del Este, ET - Zona Sureste

EST Time Zone Geo Map
EST timezone map
EST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended

Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the west of the zero meridian.

Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for EST
  • R - short form of 'Romeo'

IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • 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

Time zones with the GMT -5 offset:

  • 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
  • -05 -


Central Standard Time

Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States

Principal Cities: The largest city in the CST timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Houston, Iztapalapa, Ecatepec

Daylight Saving: This is a standard timezone, however during summer some places adjust time for one hour forward for daylight saving and observe Central Daylight Time (CDT).

End: CST ended and clocks were set one hour forward on Sunday, 08 March 2020, at 2:00 (2:00 am) local time.

Start: CST starts and clocks are set one hour back on Sunday, 01 November 2020, at 2:00 (2:00 am) local time.

French: HNC - Heure Normale du Centre

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

CST Time Zone Geo Map
CST timezone map
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 six hour and zero minutes time differences 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/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/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
  • -06 -


Pacific Standard Time

Offset: PST is 8 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Canada, Mexico, United States

Principal Cities: The largest city in the PST timezone is Los Angeles from USA with population about 3.793 million people. Other major cities in the area are Vancouver, Tijuana, San Diego, San Jose

Daylight Saving: This is a standard timezone, however during summer some places adjust time for one hour forward for daylight saving and observe Pacific Daylight Time (PDT).

End: PST ended and clocks were set one hour forward on Sunday, 08 March 2020, at 2:00 (2:00 am) local time.

Start: PST starts and clocks are set one hour back on Sunday, 01 November 2020, at 2:00 (2:00 am) local time.

French: HNP - Heure Normale du Pacifique

Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

PST Time Zone Geo Map
PST timezone map
PST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -08 - basic short
  • -0800 - basic
  • -08:00 - extended

Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates eight hour and zero minutes time differences to the west of the zero meridian.

Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for PST
  • U - short form of 'Uniform'

IANA/Olson: Reflects PST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • Canada/Pacific
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
  • US/Pacific-New

PST Abbreviation: Several time zones share PST abbreviation and it could refer to these time zones

  • Pacific Standard Time - UTC -8
  • Pitcairn Standard Time - UTC -8

Time zones with the GMT -8 offset:

  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • YDT - Yukon Daylight Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone


Alaska Standard Time

Offset: AKST is 9 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: United States

Principal Cities: The largest city in the AKST timezone is Anchorage from USA with population about 291,826 people. Other major cities in the area are Fairbanks, Juneau, Eagle River, Badger

Daylight Saving: This is a standard timezone, however during summer some places adjust time for one hour forward for daylight saving and observe Alaska Daylight Time (AKDT).

End: AKST ended and clocks were set one hour forward on Sunday, 08 March 2020, at 2:00 (2:00 am) local time.

Start: AKST starts and clocks are set one hour back on Sunday, 01 November 2020, at 2:00 (2:00 am) local time.

AKST Time Zone Geo Map
AKST timezone map
AKST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -09 - basic short
  • -0900 - basic
  • -09:00 - extended

Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0900 - sign character (-) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine hour and zero minutes time differences to the west of the zero meridian.

Military/NATO: Used by the U.S. military, Chinese military and others
  • Victor - Military abbreviation for AKST
  • V - short form of 'Victor'

IANA/Olson: Reflects AKST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Anchorage
  • America/Juneau
  • America/Metlakatla
  • America/Nome
  • America/Sitka
  • America/Yakutat
  • US/Alaska

Time zones with the GMT -9 offset:

  • AKST - Alaska Standard Time
  • AHDT - Alaska-Hawaii Daylight Time
  • HADT - Hawaii-Aleutian Daylight Time
  • YST - Yukon Standard Time
  • GAMT - Gambier Time
  • HDT - Hawaii Daylight Time
  • V - Victor Time Zone
  • -09 -


Hawaii Standard Time

Offset: HST is 10 hours behind Greenwich Mean Time (GMT) and is used in Pacific

Countries: It is used in following countries: United States

Principal Cities: The largest city in the HST timezone is Honolulu from USA with population about 371,657 people. Other major cities in the area are Pearl City, Hilo, Kailua, Waipahu

Daylight Saving: This is a standard timezone, however during summer some places adjust time for one hour forward for daylight saving and observe Hawaii Daylight Time (HDT).

End: HST ended and clocks were set one hour forward on Sunday, 08 March 2020, at 2:00 (2:00 am) local time.

Start: HST starts and clocks are set one hour back on Sunday, 01 November 2020, at 2:00 (2:00 am) local time.

HST Time Zone Geo Map
HST timezone map
HST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -10 - basic short
  • -1000 - basic
  • -10:00 - extended

Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten hour and zero minutes time differences to the west of the zero meridian.

Military/NATO: Used by the U.S. military, Chinese military and others
  • Whiskey - Military abbreviation for HST
  • W - short form of 'Whiskey'

IANA/Olson: Reflects HST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Adak
  • America/Atka
  • HST
  • Pacific/Honolulu
  • Pacific/Johnston
  • US/Aleutian
  • US/Hawaii

Time zones with the GMT -10 offset:

  • HAST - Hawaii-Aleutian Standard Time
  • CKT - Cook Island Time
  • HST - Hawaii Standard Time
  • TAHT - Tahiti Time
  • W - Whiskey Time Zone
  • GMT - GMT-10:00