PDT
Pacific Daylight Time
GMT -7
CDT
Central Daylight Time
GMT -5
EDT
Eastern Daylight Time
GMT -4
BST
British Summer Time
GMT +1
CEST
Central European Summer Time
GMT +2
PKT
Pakistan Standard Time
GMT +5
IST
India Standard Time
GMT +5:30
JST
Japan Standard Time
GMT +9
KST
Korea Standard Time
GMT +9
ACST/ACDT
Australian Central Standard Time
GMT +9:30
ACDT automatically adjusted to ACST time zone, that is in use
ACST
Australian Central Standard Time
GMT +9:30

Time Difference

Pacific Daylight Time is 2 hours behind Central Daylight Time and 3 hours behind Eastern Daylight Time and 8 hours behind British Summer Time and 9 hours behind Central European Summer Time and 12 hours behind Pakistan Standard Time and 12 hours and 30 minutes behind India Standard Time and 16 hours behind Japan Standard Time and 16 hours behind Korea Standard Time and 16 hours and 30 minutes behind Australian Central Standard Time and 16 hours and 30 minutes behind Australian Central Standard Time
3:00 am03:00 in PDT is 5:00 am05:00 in CDT and is 6:00 am06:00 in EDT and is 11:00 am11:00 in BST and is 12:00 pm12:00 in CEST and is 3:00 pm15:00 in PKT and is 3:30 pm15:30 in IST and is 7:00 pm19:00 in JST and is 7:00 pm19:00 in KST and is 7:30 pm19:30 in ACST and is 7:30 pm19:30 in ACST

PDT to CDT call time
Best time for a conference call or a meeting is between 8am-4pm in PDT which corresponds to 10am-6pm in CDT
PDT to EDT call time
Best time for a conference call or a meeting is between 8am-3pm in PDT which corresponds to 11am-6pm in EDT
PDT to BST call time
Best time for a conference call or a meeting is between 8am-10am in PDT which corresponds to 4pm-6pm in BST
PDT to CEST call time
Best time for a conference call or a meeting is between 8am-10am in PDT which corresponds to 5pm-7pm in CEST
PDT to PKT call time
Best time for a conference call or a meeting is between 7am-9am in PDT which corresponds to 7pm-9pm in PKT
PDT to IST call time
Best time for a conference call or a meeting is between 6:30am-8:30am in PDT which corresponds to 7pm-9pm in IST
PDT to JST call time
Best time for a conference call or a meeting is between 5am-7am in PDT which corresponds to 9pm-11pm in JST
PDT to KST call time
Best time for a conference call or a meeting is between 5am-7am in PDT which corresponds to 9pm-11pm in KST
PDT to ACDT call time
Best time for a conference call or a meeting is between 4am-6am in PDT which corresponds to 9:30pm-11:30pm in ACDT
PDT to ACST call time
Best time for a conference call or a meeting is between 4:30am-6:30am in PDT which corresponds to 9pm-11pm in ACST

3:00 am03:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
5:00 am05:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
6:00 am06:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
11:00 am11:00 British Summer Time (BST). Offset UTC +1:00 hour
12:00 pm12:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
3:00 pm15:00 Pakistan Standard Time (PKT). Offset UTC +5:00 hours
3:30 pm15:30 India Standard Time (IST). Offset UTC +5:30 hours
7:00 pm19:00 Japan Standard Time (JST). Offset UTC +9:00 hours
7:00 pm19:00 Korea Standard Time (KST). Offset UTC +9:00 hours
7:30 pm19:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
7:30 pm19:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours

3:00 am03:00 PDT / 5:00 am05:00 CDT / 6:00 am06:00 EDT / 11:00 am11:00 BST / 12:00 pm12:00 CEST / 3:00 pm15:00 PKT / 3:30 pm15:30 IST / 7:00 pm19:00 JST / 7:00 pm19:00 KST / 7:30 pm19:30 ACST / 7:30 pm19:30 ACST

PDT CDT EDT BST CEST PKT IST JST KST ACST ACST
12am (midnight) 2am 3am 8am 9am 12pm (noon) 12:30 pm 4pm 4pm 4:30 pm 4:30 pm
1am 3am 4am 9am 10am 1pm 1:30 pm 5pm 5pm 5:30 pm 5:30 pm
2am 4am 5am 10am 11am 2pm 2:30 pm 6pm 6pm 6:30 pm 6:30 pm
3am 5am 6am 11am 12pm (noon) 3pm 3:30 pm 7pm 7pm 7:30 pm 7:30 pm
4am 6am 7am 12pm (noon) 1pm 4pm 4:30 pm 8pm 8pm 8:30 pm 8:30 pm
5am 7am 8am 1pm 2pm 5pm 5:30 pm 9pm 9pm 9:30 pm 9:30 pm
6am 8am 9am 2pm 3pm 6pm 6:30 pm 10pm 10pm 10:30 pm 10:30 pm
7am 9am 10am 3pm 4pm 7pm 7:30 pm 11pm 11pm 11:30 pm 11:30 pm
8am 10am 11am 4pm 5pm 8pm 8:30 pm 12am (midnight) 12am (midnight) 12:30 am 12:30 am
9am 11am 12pm (noon) 5pm 6pm 9pm 9:30 pm 1am 1am 1:30 am 1:30 am
10am 12pm (noon) 1pm 6pm 7pm 10pm 10:30 pm 2am 2am 2:30 am 2:30 am
11am 1pm 2pm 7pm 8pm 11pm 11:30 pm 3am 3am 3:30 am 3:30 am
12pm (noon) 2pm 3pm 8pm 9pm 12am (midnight) 12:30 am 4am 4am 4:30 am 4:30 am
1pm 3pm 4pm 9pm 10pm 1am 1:30 am 5am 5am 5:30 am 5:30 am
2pm 4pm 5pm 10pm 11pm 2am 2:30 am 6am 6am 6:30 am 6:30 am
3pm 5pm 6pm 11pm 12am (midnight) 3am 3:30 am 7am 7am 7:30 am 7:30 am
4pm 6pm 7pm 12am (midnight) 1am 4am 4:30 am 8am 8am 8:30 am 8:30 am
5pm 7pm 8pm 1am 2am 5am 5:30 am 9am 9am 9:30 am 9:30 am
6pm 8pm 9pm 2am 3am 6am 6:30 am 10am 10am 10:30 am 10:30 am
7pm 9pm 10pm 3am 4am 7am 7:30 am 11am 11am 11:30 am 11:30 am
8pm 10pm 11pm 4am 5am 8am 8:30 am 12pm (noon) 12pm (noon) 12:30 pm 12:30 pm
9pm 11pm 12am (midnight) 5am 6am 9am 9:30 am 1pm 1pm 1:30 pm 1:30 pm
10pm 12am (midnight) 1am 6am 7am 10am 10:30 am 2pm 2pm 2:30 pm 2:30 pm
11pm 1am 2am 7am 8am 11am 11:30 am 3pm 3pm 3:30 pm 3:30 pm
0:00 2:00 3:00 8:00 9:00 12:00 12:30 16:00 16:00 16:30 16:30
1:00 3:00 4:00 9:00 10:00 13:00 13:30 17:00 17:00 17:30 17:30
2:00 4:00 5:00 10:00 11:00 14:00 14:30 18:00 18:00 18:30 18:30
3:00 5:00 6:00 11:00 12:00 15:00 15:30 19:00 19:00 19:30 19:30
4:00 6:00 7:00 12:00 13:00 16:00 16:30 20:00 20:00 20:30 20:30
5:00 7:00 8:00 13:00 14:00 17:00 17:30 21:00 21:00 21:30 21:30
6:00 8:00 9:00 14:00 15:00 18:00 18:30 22:00 22:00 22:30 22:30
7:00 9:00 10:00 15:00 16:00 19:00 19:30 23:00 23:00 23:30 23:30
8:00 10:00 11:00 16:00 17:00 20:00 20:30 0:00 0:00 0:30 0:30
9:00 11:00 12:00 17:00 18:00 21:00 21:30 1:00 1:00 1:30 1:30
10:00 12:00 13:00 18:00 19:00 22:00 22:30 2:00 2:00 2:30 2:30
11:00 13:00 14:00 19:00 20:00 23:00 23:30 3:00 3:00 3:30 3:30
12:00 14:00 15:00 20:00 21:00 0:00 0:30 4:00 4:00 4:30 4:30
13:00 15:00 16:00 21:00 22:00 1:00 1:30 5:00 5:00 5:30 5:30
14:00 16:00 17:00 22:00 23:00 2:00 2:30 6:00 6:00 6:30 6:30
15:00 17:00 18:00 23:00 0:00 3:00 3:30 7:00 7:00 7:30 7:30
16:00 18:00 19:00 0:00 1:00 4:00 4:30 8:00 8:00 8:30 8:30
17:00 19:00 20:00 1:00 2:00 5:00 5:30 9:00 9:00 9:30 9:30
18:00 20:00 21:00 2:00 3:00 6:00 6:30 10:00 10:00 10:30 10:30
19:00 21:00 22:00 3:00 4:00 7:00 7:30 11:00 11:00 11:30 11:30
20:00 22:00 23:00 4:00 5:00 8:00 8:30 12:00 12:00 12:30 12:30
21:00 23:00 0:00 5:00 6:00 9:00 9:30 13:00 13:00 13:30 13:30
22:00 0:00 1:00 6:00 7:00 10:00 10:30 14:00 14:00 14:30 14:30
23:00 1:00 2:00 7:00 8:00 11:00 11:30 15:00 15:00 15:30 15:30

Pacific Daylight Time

Offset: PDT 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 PDT 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

French: HAP - Heure Avancée du Pacifique

Spanish: PT - Zona Noroeste

PDT Time Zone Geo Map
PDT timezone map

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

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Pacific Daylight Time (PDT) started on Sunday, March 13, 2022 at 2:00 am local time and clocks were set one hour forward to Sunday, March 13, 2022, 3:00 am. Daylight saving starts annually the on second Sunday of March

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Pacific Daylight Time (PDT) ends on Sunday, November 6, 2022 at 2:00 am local time and clocks are set one hour back to Sunday, November 6, 2022, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

PDT 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 PDT
  • T - short form of 'Tango'
IANA/Olson: Reflects PDT 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
Time zones with the GMT -7 offset:
  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • YST - Yukon Standard Time
  • T - Tango Time Zone

Central Daylight Time

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

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

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

French: HAC - Heure Avancée du Centre

Spanish: CT - Zona Centro

CDT Time Zone Geo Map
CDT timezone map

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

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Central Daylight Time (CDT) started on Sunday, March 13, 2022 at 2:00 am local time and clocks were set one hour forward to Sunday, March 13, 2022, 3:00 am. Daylight saving starts annually the on second Sunday of March

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Central Daylight Time (CDT) ends on Sunday, November 6, 2022 at 2:00 am local time and clocks are set one hour back to Sunday, November 6, 2022, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

CDT 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 CDT
  • R - short form of 'Romeo'
IANA/Olson: Reflects CDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Bahia_Banderas
  • America/Chicago
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • 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/Resolute
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • Mexico/General
  • US/Central
  • US/Indiana-Starke
CDT Abbreviation: Several time zones share CDT abbreviation and it could refer to these time zones
  • Central Daylight Time - UTC -5
  • Cuba Daylight Time - UTC -4
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

Eastern Daylight Time

Offset: EDT is 4 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Bahamas, Canada, Haiti, Turks & Caicos Is, United States

Principal Cities: The largest city in the EDT 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

French: HAE - Heure Avancée de l'Est

Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste

EDT Time Zone Geo Map
EDT timezone map

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

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Eastern Daylight Time (EDT) started on Sunday, March 13, 2022 at 2:00 am local time and clocks were set one hour forward to Sunday, March 13, 2022, 3:00 am. Daylight saving starts annually the on second Sunday of March

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Eastern Daylight Time (EDT) ends on Sunday, November 6, 2022 at 2:00 am local time and clocks are set one hour back to Sunday, November 6, 2022, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

EDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four 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
  • Quebec - Military abbreviation for EDT
  • Q - short form of 'Quebec'
IANA/Olson: Reflects EDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • 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/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST5EDT
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • FKT - Falkland Island Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • PYT - Paraguay Time
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time

British Summer Time

Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe

Countries: It is used in following countries: Britain (UK), Guernsey, Isle of Man, Jersey

Principal Cities: The largest city in the BST timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Birmingham, Glasgow, Liverpool, Saint Helier

BST Time Zone Geo Map
BST timezone map

Daylight Saving: British Summer Time (BST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Greenwich Mean Time (GMT).

Daylight saving time clock moves forward for one hour from 1am to 2amStart: British Summer Time (BST) started on Sunday, March 27, 2022 at 1:00 am local time and clocks were set one hour forward to Sunday, March 27, 2022, 2:00 am. Daylight saving starts annually the on last Sunday of March

Daylight saving time clock moves back for one hour from 2am to 1amEnd: British Summer Time (BST) ends on Sunday, October 30, 2022 at 2:00 am local time and clocks are set one hour back to Sunday, October 30, 2022, 1:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October

BST 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 BST
  • A - short form of 'Alpha'
IANA/Olson: Reflects BST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Europe/Belfast
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
BST Abbreviation: Several time zones share BST abbreviation and it could refer to these time zones
  • British Summer Time - UTC +1
  • Bangladesh Standard Time - UTC +6
  • Bougainville Standard Time - UTC +11
  • Brasilia Standard Time - UTC -3
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

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

German: MESZ - Mitteleuropäische Sommerzeit

CEST Time Zone Geo Map
CEST timezone map

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).

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Central European Summer Time (CEST) started on Sunday, March 27, 2022 at 2:00 am local time and clocks were set one hour forward to Sunday, March 27, 2022, 3:00 am. Daylight saving starts annually the on last Sunday of March

Daylight saving time clock moves back for one hour from 3am to 2amEnd: Central European Summer Time (CEST) ends on Sunday, October 30, 2022 at 3:00 am local time and clocks are set one hour back to Sunday, October 30, 2022, 2:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October

CEST 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

Pakistan Standard Time

Offset: PKT is 5 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: Pakistan

Principal Cities: The largest city in the PKT timezone is Karachi from Pakistan with population about 11.624 million people. Other major cities in the area are Lahore, Faisalabad, Rawalpindi, Multan

Daylight Saving: Pakistan Standard Time (PKT) is not adjusted for daylight saving therefore PKT 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, Pakistan Standard Time remains the same

PKT Time Zone Geo Map
PKT timezone map

PKT 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 east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Echo - Military abbreviation for PKT
  • E - short form of 'Echo'
IANA/Olson: Reflects PKT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Karachi
Time zones with the GMT +5 offset:
  • AMST - Armenia Summer Time
  • AQTT - Aqtobe Time
  • AZST - Azerbaijan Summer Time
  • E - Echo Time Zone
  • MAWT - Mawson Time
  • MVT - Maldives Time
  • ORAT - Oral Time
  • PKT - Pakistan Standard Time
  • TFT - French Southern and Antarctic Time
  • TJT - Tajikistan Time
  • TMT - Turkmenistan Time
  • UZT - Uzbekistan Time
  • YEKT - Yekaterinburg Time
  • HMT - Heard and McDonald Islands Time

India Standard Time

Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: India

Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai

Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST 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, India Standard Time remains the same

IST Time Zone Geo Map
IST timezone map

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates five hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2
  • Irkutsk Standard Time - UTC +8

Japan Standard Time

Offset: JST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: Japan

Principal Cities: The largest city in the JST timezone is Tokyo from Japan with population about 8.337 million people. Other major cities in the area are Yokohama, Osaka shi, Nagoya shi, Sapporo

Daylight Saving: Japan Standard Time (JST) is not adjusted for daylight saving therefore JST 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, Japan Standard Time remains the same

JST Time Zone Geo Map
JST timezone map

JST 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 east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • India - Military abbreviation for JST
  • I - short form of 'India'
IANA/Olson: Reflects JST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Tokyo
  • Japan
Time zones with the GMT +9 offset:
  • AWDT - Australian Western Daylight Time
  • CHOST - Choibalsan Summer Time
  • I - India Time Zone
  • IRKST - Irkutsk Summer Time
  • JST - Japan Standard Time
  • KST - Korea Standard Time
  • PWT - Palau Time
  • TLT - East Timor Time
  • ULAST - Ulaanbaatar Summer Time
  • WIT - Eastern Indonesian Time
  • YAKT - Yakutsk Time

Korea Standard Time

Offset: KST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: Korea (North), Korea (South)

Principal Cities: The largest city in the KST timezone is Seoul from South Korea with population about 10.349 million people. Other major cities in the area are Busan, Pyongyang, Incheon, Daegu

Daylight Saving: Korea Standard Time (KST) is not adjusted for daylight saving therefore KST 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, Korea Standard Time remains the same

KST Time Zone Geo Map
KST timezone map

KST 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 east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • India - Military abbreviation for KST
  • I - short form of 'India'
IANA/Olson: Reflects KST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Pyongyang
  • Asia/Seoul
  • ROK
KST Abbreviation: Several time zones share KST abbreviation and it could refer to these time zones
  • Korea Standard Time - UTC +9
  • Pyongyang Time - UTC +8:30
Time zones with the GMT +9 offset:
  • AWDT - Australian Western Daylight Time
  • CHOST - Choibalsan Summer Time
  • I - India Time Zone
  • IRKST - Irkutsk Summer Time
  • JST - Japan Standard Time
  • KST - Korea Standard Time
  • PWT - Palau Time
  • TLT - East Timor Time
  • ULAST - Ulaanbaatar Summer Time
  • WIT - Eastern Indonesian Time
  • YAKT - Yakutsk Time

Australian Central Daylight Time

Offset: ACDT is 10 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia

Countries: It is used in following countries: Australia

Principal Cities: The largest city in the ACDT timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Adelaide Hills, Mount Gambier, Morphett Vale, Prospect

ACDT Time Zone Geo Map
ACDT timezone map

Daylight Saving: Australian Central Daylight Time (ACDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Australian Central Standard Time (ACST).

Daylight saving time clock moves back for one hour from 3am to 2amEnd: Australian Central Daylight Time (ACDT) has ended on Sunday, April 3, 2022 at 3:00 am local time and clocks were set one hour back to Sunday, April 3, 2022, 2:00 am local standard time instead. Daylight saving ends annually the on first Sunday of April

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Australian Central Daylight Time (ACDT) starts on Sunday, October 2, 2022 at 2:00 am local time and clocks are set one hour forward to Sunday, October 2, 2022, 3:00 am. Daylight saving starts annually the on first Sunday of October

ACDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1030 - basic
  • +10:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1030 - sign character (+) followed by a four digit time providing hours (10) and minutes (30) of the offset. Indicates ten hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects ACDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Australia/Adelaide
  • Australia/Broken_Hill
  • Australia/South
  • Australia/Yancowinna
Time zones with the GMT +10:30 offset:
  • ACDT - Australian Central Daylight Time
  • LHST - Lord Howe Standard Time

Australian Central Standard Time

Offset: ACST is 9 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia

Countries: It is used in following countries: Australia

Principal Cities: The largest city in the ACST timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Darwin, Adelaide Hills, Alice Springs, Palmerston

ACST Time Zone Geo Map
ACST timezone map

Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Central Daylight Time (ACDT).

Daylight saving time clock moves back for one hour from 3am to 2amStart: Australian Central Standard Time (ACST) started on Sunday, April 3, 2022 at 3:00 am local time and clocks were set one hour back to Sunday, April 3, 2022, 2:00 am. Standard time starts annually the on first Sunday of April.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Australian Central Standard Time (ACST) ends on Sunday, October 2, 2022 at 2:00 am local time and clocks are set one hour forward to Sunday, October 2, 2022, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.

ACST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0930 - basic
  • +09:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0930 - sign character (+) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates nine hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects ACST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Australia/Adelaide
  • Australia/Broken_Hill
  • Australia/Darwin
  • Australia/North
  • Australia/South
  • Australia/Yancowinna