PDT/PST
Pacific Daylight Time
GMT -7
PST automatically adjusted to PDT time zone, that is in use
MDT
Mountain Daylight Time
GMT -6
CDT/CST
Central Daylight Time
GMT -5
CST automatically adjusted to CDT time zone, that is in use
EDT/EST
Eastern Daylight Time
GMT -4
EST automatically adjusted to EDT time zone, that is in use
WAT (West Africa Time)
GMT +1
CEST (Central European Summer Time)
GMT +2

Time Difference

Pacific Daylight Time is 1 hours behind of Mountain Daylight Time and 2 hours behind of Central Daylight Time and 3 hours behind of Eastern Daylight Time and 8 hours behind of WAT (West Africa Time) and 9 hours behind of CEST (Central European Summer Time)
So 10:00 am10:00 in PDT is 11:00 am11:00 in MDT and is 12:00 pm12:00 in CDT and is 1:00 pm13:00 in EDT and is 6:00 pm18:00 in Lagos, Nigeria and is 7:00 pm19:00 in Vienna, Austria

10:00 am10:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
11:00 am11:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
12:00 pm12:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
1:00 pm13:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
6:00 pm18:00 WAT (West Africa Time) (Lagos, Nigeria). Offset UTC +1:00 hour
7:00 pm19:00 CEST (Central European Summer Time) (Vienna, Austria). Offset UTC +2:00 hours

10:00 am10:00 PDT / 11:00 am11:00 MDT / 12:00 pm12:00 CDT / 1:00 pm13:00 EDT / 6:00 pm18:00 Lagos, Nigeria / 7:00 pm19:00 Vienna, Austria

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

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


Mountain Daylight Time

Offset: MDT is 6 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 MDT timezone is Ciudad Juarez from Mexico with population about 1.512 million people. Other major cities in the area are Calgary, Chihuahua, Edmonton, El Paso

Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Mountain Standard Time (MST).

Start: Mountain Daylight Time (MDT) started and clocks were set one hour forward on Sunday, 08 March 2020, at 2:00 (2:00 am) local time.

End: Mountain Daylight Time (MDT) ends and clocks are set one hour back on Sunday, 01 November 2020, at 2:00 (2:00 am) local time.

French: HAR - Heure Avancée des Rocheuses

Spanish: MT - Zona Pacífico

MDT Time Zone Geo Map
MDT timezone map
MDT 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 MDT
  • S - short form of 'Sierra'

IANA/Olson: Reflects MDT 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/Denver
  • America/Edmonton
  • America/Inuvik
  • America/Mazatlan
  • America/Ojinaga
  • America/Shiprock
  • America/Yellowknife
  • Canada/Mountain
  • MST7MDT
  • Mexico/BajaSur
  • Navajo
  • US/Mountain

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 -


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 -


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 -


WAT (West Africa Time)

Offset: WAT is 1 hour ahead Greenwich Mean Time (GMT) and is used in Africa

Countries: It is used in following countries: Angola, Benin, Congo (Dem. Rep.), Central African Rep., Congo (Rep.), Cameroon, Gabon, Equatorial Guinea, Niger, Nigeria, Chad

Principal Cities: The largest city in the WAT timezone is Lagos from Nigeria with population about 9 million people. Other major cities in the area are Kinshasa, Kano, Ibadan, Luanda

Daylight Saving: West Africa Time (WAT) is not adjusted for daylight saving therefore WAT remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, West Africa Time remains the same

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

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended

Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.

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

IANA/Olson: Reflects WAT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Bangui
  • Africa/Brazzaville
  • Africa/Douala
  • Africa/Kinshasa
  • Africa/Lagos
  • Africa/Libreville
  • Africa/Luanda
  • Africa/Malabo
  • Africa/Ndjamena
  • Africa/Niamey
  • Africa/Porto-Novo

Time zones with the GMT +1 offset:

  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time
  • GMT - GMT
  • +01 -


CEST (Central European Summer Time)

Offset: CEST is 2 hours ahead Greenwich Mean Time (GMT) and is used in Europe

Countries: It is used in following countries: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Vatican City

Principal Cities: The largest city in the CEST timezone is Berlin from Germany with population about 3.426 million people. Other major cities in the area are Madrid, Rome, Paris, Budapest

Daylight Saving: Central European Summer Time (CEST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Central European Time (CET).

Start: Central European Summer Time (CEST) started and clocks were set one hour forward on Sunday, 29 March 2020, at 2:00 (2:00 am) local time.

End: Central European Summer Time (CEST) ends and clocks are set one hour back on Sunday, 25 October 2020, at 3:00 (3:00 am) local time.

German: MESZ - Mitteleuropäische Sommerzeit

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

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +02 - basic short
  • +0200 - basic
  • +02:00 - extended

Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates two hour and zero minutes time differences to the east of the zero meridian.

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

IANA/Olson: Reflects CEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Ceuta
  • Arctic/Longyearbyen
  • Atlantic/Jan_Mayen
  • CET
  • Europe/Amsterdam
  • Europe/Andorra
  • Europe/Belgrade
  • Europe/Berlin
  • Europe/Bratislava
  • Europe/Brussels
  • Europe/Budapest
  • Europe/Busingen
  • Europe/Copenhagen
  • Europe/Gibraltar
  • Europe/Ljubljana
  • Europe/Luxembourg
  • Europe/Madrid
  • Europe/Malta
  • Europe/Monaco
  • Europe/Oslo
  • Europe/Paris
  • Europe/Podgorica
  • Europe/Prague
  • Europe/Rome
  • Europe/San_Marino
  • Europe/Sarajevo
  • Europe/Skopje
  • Europe/Stockholm
  • Europe/Tirane
  • Europe/Vaduz
  • Europe/Vatican
  • Europe/Vienna
  • Europe/Warsaw
  • Europe/Zagreb
  • Europe/Zurich
  • Poland

Time zones with the GMT +2 offset:

  • CEST - Central European Summer Time
  • EET - Eastern European Time
  • MESZ - Mitteleuropäische Sommerzeit
  • B - Bravo Time Zone
  • CAT - Central Africa Time
  • IST - Israel Standard Time
  • SAST - South Africa Standard Time
  • WAST - West Africa Summer Time