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PDT/PST
Pacific Daylight Time
GMT -7
PST automatically adjusted to PDT time zone, that is in use
IST
India Standard Time
GMT +5:30
PT/PDT
Pacific Time
GMT -7
BST
British Summer Time
GMT +1
EDT/EST
Eastern Daylight Time
GMT -4
EST automatically adjusted to EDT time zone, that is in use
CDT
Central Daylight Time
GMT -5
Time Difference
Pacific Daylight Time is 12 hours and 30 minutes behind India Standard Time and 0 hours ahead of Pacific Daylight Time and 8 hours behind British Summer Time and 3 hours behind Eastern Daylight Time and 2 hours behind Central Daylight Time
8:30 am08:30 in PDT is 9:00 pm21:00 in IST and is 8:30 am08:30 in PDT and is 4:30 pm16:30 in BST and is 11:30 am11:30 in EDT and is 10:30 am10:30 in CDT
PST to IST call time
Best time for a conference call or a meeting is between 6am-8am in PST which corresponds to 7:30pm-9:30pm in IST
PST to PT call time
Best time for a conference call or a meeting is between 8am-6pm in PST which corresponds to 8am-6pm in PT
PST to BST call time
Best time for a conference call or a meeting is between 8am-10am in PST which corresponds to 5pm-7pm in BST
PST to EST call time
Best time for a conference call or a meeting is between 8am-3pm in PST which corresponds to 11am-6pm in EST
PST to CDT call time
Best time for a conference call or a meeting is between 8am-3pm in PST which corresponds to 11am-6pm in CDT
8:30 am08:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
9:00 pm21:00 India Standard Time (IST). Offset UTC +5:30 hours
8:30 am08:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
4:30 pm16:30 British Summer Time (BST). Offset UTC +1:00 hour
11:30 am11:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
10:30 am10:30 Central Daylight Time (CDT). Offset UTC -5:00 hours
8:30 am08:30 PDT / 9:00 pm21:00 IST / 8:30 am08:30 PDT / 4:30 pm16:30 BST / 11:30 am11:30 EDT / 10:30 am10:30 CDT
| PDT | IST | PT | BST | EDT | CDT |
|---|---|---|---|---|---|
| 12am (midnight) | 12:30 pm | 12am (midnight) | 8am | 3am | 2am |
| 1am | 1:30 pm | 1am | 9am | 4am | 3am |
| 2am | 2:30 pm | 2am | 10am | 5am | 4am |
| 3am | 3:30 pm | 3am | 11am | 6am | 5am |
| 4am | 4:30 pm | 4am | 12pm (noon) | 7am | 6am |
| 5am | 5:30 pm | 5am | 1pm | 8am | 7am |
| 6am | 6:30 pm | 6am | 2pm | 9am | 8am |
| 7am | 7:30 pm | 7am | 3pm | 10am | 9am |
| 8am | 8:30 pm | 8am | 4pm | 11am | 10am |
| 9am | 9:30 pm | 9am | 5pm | 12pm (noon) | 11am |
| 10am | 10:30 pm | 10am | 6pm | 1pm | 12pm (noon) |
| 11am | 11:30 pm | 11am | 7pm | 2pm | 1pm |
| 12pm (noon) | 12:30 am | 12pm (noon) | 8pm | 3pm | 2pm |
| 1pm | 1:30 am | 1pm | 9pm | 4pm | 3pm |
| 2pm | 2:30 am | 2pm | 10pm | 5pm | 4pm |
| 3pm | 3:30 am | 3pm | 11pm | 6pm | 5pm |
| 4pm | 4:30 am | 4pm | 12am (midnight) | 7pm | 6pm |
| 5pm | 5:30 am | 5pm | 1am | 8pm | 7pm |
| 6pm | 6:30 am | 6pm | 2am | 9pm | 8pm |
| 7pm | 7:30 am | 7pm | 3am | 10pm | 9pm |
| 8pm | 8:30 am | 8pm | 4am | 11pm | 10pm |
| 9pm | 9:30 am | 9pm | 5am | 12am (midnight) | 11pm |
| 10pm | 10:30 am | 10pm | 6am | 1am | 12am (midnight) |
| 11pm | 11:30 am | 11pm | 7am | 2am | 1am |
| 0:00 | 12:30 | 0:00 | 8:00 | 3:00 | 2:00 |
| 1:00 | 13:30 | 1:00 | 9:00 | 4:00 | 3:00 |
| 2:00 | 14:30 | 2:00 | 10:00 | 5:00 | 4:00 |
| 3:00 | 15:30 | 3:00 | 11:00 | 6:00 | 5:00 |
| 4:00 | 16:30 | 4:00 | 12:00 | 7:00 | 6:00 |
| 5:00 | 17:30 | 5:00 | 13:00 | 8:00 | 7:00 |
| 6:00 | 18:30 | 6:00 | 14:00 | 9:00 | 8:00 |
| 7:00 | 19:30 | 7:00 | 15:00 | 10:00 | 9:00 |
| 8:00 | 20:30 | 8:00 | 16:00 | 11:00 | 10:00 |
| 9:00 | 21:30 | 9:00 | 17:00 | 12:00 | 11:00 |
| 10:00 | 22:30 | 10:00 | 18:00 | 13:00 | 12:00 |
| 11:00 | 23:30 | 11:00 | 19:00 | 14:00 | 13:00 |
| 12:00 | 0:30 | 12:00 | 20:00 | 15:00 | 14:00 |
| 13:00 | 1:30 | 13:00 | 21:00 | 16:00 | 15:00 |
| 14:00 | 2:30 | 14:00 | 22:00 | 17:00 | 16:00 |
| 15:00 | 3:30 | 15:00 | 23:00 | 18:00 | 17:00 |
| 16:00 | 4:30 | 16:00 | 0:00 | 19:00 | 18:00 |
| 17:00 | 5:30 | 17:00 | 1:00 | 20:00 | 19:00 |
| 18:00 | 6:30 | 18:00 | 2:00 | 21:00 | 20:00 |
| 19:00 | 7:30 | 19:00 | 3:00 | 22:00 | 21:00 |
| 20:00 | 8:30 | 20:00 | 4:00 | 23:00 | 22:00 |
| 21:00 | 9:30 | 21:00 | 5:00 | 0:00 | 23:00 |
| 22:00 | 10:30 | 22:00 | 6:00 | 1:00 | 0:00 |
| 23:00 | 11:30 | 23:00 | 7:00 | 2:00 | 1:00 |
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
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Pacific Daylight Time (PDT).
End: Pacific Standard Time (PST) has ended on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Pacific Standard Time (PST) starts on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am. Standard time starts annually the on first Sunday of November.
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
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
- Peru Standard Time - UTC -5
Time zones with the GMT -8 offset:
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
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 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
- Iran Standard Time - UTC +3:30
Pacific Time
Pacific Time (PT) is a general term used to describe the areas that observe either the Pacific Standard Time (PST) or Pacific Daylight Time (PDT) in the United States and Canada. PT also called Pacific Coast Time. PT is not static but switches between PDT and PST.
Territories observing the Pacific Time Zone are primarily in North America. It runs through the western part of Canada, the United States and the Northwestern part of Mexico.
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.
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste
Pacific Time (PT) is a general term used to describe the areas that observe either the Pacific Standard Time (PST) or Pacific Daylight Time (PDT) in the United States and Canada. PT also called Pacific Coast Time. PT is not static but switches between PDT and PST.
Territories observing the Pacific Time Zone are primarily in North America. It runs through the western part of Canada, the United States and the Northwestern part of Mexico.
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.
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste
PT 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 PT
- U - short form of 'Uniform'
PT Abbreviation: Several time zones share PT abbreviation and it could refer to these time zones
- Pacific Time - UTC -8
- Palau Time - UTC +9
Time zones with the GMT -8 offset:
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
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
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).
Start: British Summer Time (BST) started on Sunday, March 31, 2024 at 1:00 am local time and clocks were set one hour forward to Sunday, March 31, 2024, 2:00 am. Daylight saving starts annually the on last Sunday of March
End: British Summer Time (BST) ends on Sunday, October 27, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, October 27, 2024, 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
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
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) has ended on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Eastern Standard Time (EST) starts on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am. Standard time starts annually the on first Sunday of November.
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
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 Chicago from USA with population about 2.696 million people. Other major cities in the area are Havana, Houston, Ciudad Juarez, San Antonio
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro
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).
Start: Central Daylight Time (CDT) started on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Central Daylight Time (CDT) ends on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 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/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
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
EST to IST GMT to EST PST to EST EST to GMT PST to GMT
