GMT to PST to CDT to IST (2024)

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GMT

Greenwich Mean Time

GMT +0

PDT/PST

Pacific Daylight Time

GMT -7

PST automatically adjusted to PDT time zone, that is in use

CDT

Central Daylight Time

GMT -5

IST

India Standard Time

GMT +5:30

Time Difference

Greenwich Mean Time is 7 hours ahead of Pacific Daylight Time and 5 hours ahead of Central Daylight Time and 5 hours and 30 minutes behind India Standard Time
12:00 pm12:00 in GMT is 5:00 am05:00 in PDT and is 7:00 am07:00 in CDT and is 5:30 pm17:30 in IST

GMT to PST call time
Best time for a conference call or a meeting is between 4pm-6pm in GMT which corresponds to 8am-10am in PST
GMT to CDT call time
Best time for a conference call or a meeting is between 1pm-6pm in GMT which corresponds to 8am-1pm in CDT
GMT to IST call time
Best time for a conference call or a meeting is between 8am-12:30pm in GMT which corresponds to 1:30pm-6pm in IST

12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours

12:00 pm12:00 GMT / 5:00 am05:00 PDT / 7:00 am07:00 CDT / 5:30 pm17:30 IST

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

Greenwich Mean Time

Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe

Countries: It is used in following countries: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo

Principal Cities: The largest city in the GMT timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Abidjan, Dakar, Grand Dakar, Accra

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 for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.

GMT to PST to CDT to IST (2)

GMT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data

  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended

Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers

  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.

Military/NATO: Used by the U.S. military, Chinese military and others

  • Zulu - Military abbreviation for GMT
  • Z - short form of 'Zulu'

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

  • 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

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

  • Greenwich Mean Time - UTC +0
  • GMT - UTC +1
  • GMT+03:00 - UTC +3
  • GMT+07:00 - UTC +7
  • GMT-03:00 - UTC -3
  • GMT+11:00 - UTC +11

Time zones with the GMT +0 offset:

  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

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

GMT to PST to CDT to IST (3)

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).

GMT to PST to CDT to IST (4)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.

GMT to PST to CDT to IST (5)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

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

GMT to PST to CDT to IST (6)

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).

GMT to PST to CDT to IST (7)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

GMT to PST to CDT to IST (8)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

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

GMT to PST to CDT to IST (9)

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

EST to IST GMT to EST PST to EST EST to GMT PST to GMT

GMT to PST to CDT to IST (2024)

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