IST to EST to MST to CST to PST to London, United Kingdom (2024)

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IST

India Standard Time

GMT +5:30

EDT/EST

Eastern Daylight Time

GMT -4

EST automatically adjusted to EDT time zone, that is in use

MDT/MST

MST automatically adjusted to MDT 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

London

United Kingdom

BST

Time Difference

India Standard Time is 9 hours and 30 minutes ahead of Eastern Daylight Time and 11 hours and 30 minutes ahead of Mountain Daylight Time and 10 hours and 30 minutes ahead of Central Daylight Time and 12 hours and 30 minutes ahead of Pacific Daylight Time and 4 hours and 30 minutes ahead of BST (British Summer Time)
6:00 am06:00 in IST is 8:30 pm20:30 in EDT and is 6:30 pm18:30 in MDT and is 7:30 pm19:30 in CDT and is 5:30 pm17:30 in PDT and is 1:30 am01:30 in London, United Kingdom

IST to EST call time
Best time for a conference call or a meeting is between 6pm-8pm in IST which corresponds to 7:30am-9:30am in EST
IST to MST call time
Best time for a conference call or a meeting is between 7pm-9pm in IST which corresponds to 6:30am-8:30am in MST
IST to CST call time
Best time for a conference call or a meeting is between 6:30pm-8:30pm in IST which corresponds to 7am-9am in CST
IST to PST call time
Best time for a conference call or a meeting is between 7:30pm-9:30pm in IST which corresponds to 6am-8am in PST
IST to London call time
Best time for a conference call or a meeting is between 12:30pm-6pm in IST which corresponds to 8am-1:30pm in London

6:00 am06:00 India Standard Time (IST). Offset UTC +5:30 hours
8:30 pm20:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
6:30 pm18:30 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
7:30 pm19:30 Central Daylight Time (CDT). Offset UTC -5:00 hours
5:30 pm17:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
1:30 am01:30 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour

6:00 am06:00 IST / 8:30 pm20:30 EDT / 6:30 pm18:30 MDT / 7:30 pm19:30 CDT / 5:30 pm17:30 PDT / 1:30 am01:30 London, United Kingdom

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

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 to EST to MST to CST to PST to London, United Kingdom (2)

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

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

IST to EST to MST to CST to PST to London, United Kingdom (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 Eastern Daylight Time (EDT).

IST to EST to MST to CST to PST to London, United Kingdom (4)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.

IST to EST to MST to CST to PST to London, United Kingdom (5)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

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 Phoenix from USA with population about 1.446 million people. Other major cities in the area are Calgary, Edmonton, El Paso, Denver

French: HNR - Heure Normale des Rocheuses

Spanish: MT - Zona Pacífico

IST to EST to MST to CST to PST to London, United Kingdom (6)

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 Mountain Daylight Time (MDT).

IST to EST to MST to CST to PST to London, United Kingdom (7)End: Mountain Standard Time (MST) 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.

IST to EST to MST to CST to PST to London, United Kingdom (8)Start: Mountain Standard Time (MST) 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.

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/Ciudad_Juarez
  • America/Creston
  • America/Dawson
  • America/Dawson_Creek
  • America/Denver
  • America/Edmonton
  • America/Fort_Nelson
  • America/Hermosillo
  • America/Inuvik
  • America/Mazatlan
  • America/Phoenix
  • America/Shiprock
  • America/Whitehorse
  • America/Yellowknife
  • Canada/Mountain
  • Canada/Yukon
  • MST
  • MST7MDT
  • Mexico/BajaSur
  • Navajo
  • US/Arizona
  • US/Mountain

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

  • Mountain Standard Time - UTC -7
  • Moscow Standard Time - UTC +3
  • Mauritius Standard Time - UTC +4
  • Magadan Standard Time - UTC +11

Time zones with the GMT -7 offset:

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

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

French: HNC - Heure Normale du Centre

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

IST to EST to MST to CST to PST to London, United Kingdom (9)

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 Central Daylight Time (CDT).

IST to EST to MST to CST to PST to London, United Kingdom (10)End: Central Standard Time (CST) 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.

IST to EST to MST to CST to PST to London, United Kingdom (11)Start: Central Standard Time (CST) 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.

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/Chihuahua
  • 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/Ojinaga
  • 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
  • Colombia 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

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

IST to EST to MST to CST to PST to London, United Kingdom (12)

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).

IST to EST to MST to CST to PST to London, United Kingdom (13)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.

IST to EST to MST to CST to PST to London, United Kingdom (14)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

London Information

Time Zone

Abbreviation / Name

BST - British Summer Time

UTC / GMT Offset

+1:00 hour during British Summer Time, currently in use.

London Facts

Country

United Kingdom

Alternative Names

ILondon, LON, Lakana, Landan, Landen, Ljondan, Llundain, Lodoni, Londain, Londan, Londar, Londe, Londen, Londin, Londinium, Londino, Londn, London, London osh, Londona, Londonas, Londoni, Londono, Londons, Londonu, Londra, Londres, Londrez, Londri, Londro, Londye, Londyn, Londýn, Lonn, Lontoo, Loundres, Luan GJon, Lun-tun, Lunden, Lundra, Lundun, Lundunir, Lundúnir, Lung-dung, Lunnainn, Lunnin, Lunnon, Luân Đôn, Lùn-tûn, Lùng-dŭng, Lûn-tun, Lākana, Lůndůn, Lọndọnu, Ranana, Rānana, ilantan, ladana, landan, landana, leondeon, lndn, london, londoni, lun dui, lun dun, lwndwn, lxndxn, rondon, Łondra, Λονδίνο, Лондан, Лондон, Лондон ош, Лондонъ, Лёндан, Լոնդոն, לאנדאן, לונדון, لأندأن, لندن, لوندون, لەندەن, ܠܘܢܕܘܢ, लंडन, लंदन, लण्डन, लन्डन्, लन्दन, লন্ডন, ਲੰਡਨ, લંડન, ଲଣ୍ଡନ, இலண்டன், లండన్, ಲಂಡನ್, ലണ്ടൻ, ලන්ඩන්, ลอนดอน, ລອນດອນ, ལོན་ཊོན།, လန်ဒန်မြို့, ლონდონი, ለንደን, ᎫᎴ ᏗᏍᎪᏂᎯᏱ, ロンドン, 伦敦, 倫敦, 런던

Population

7,556,900

Currency

Pound (GBP)

Geographic Coordinates

51° 30' N Latitude / 0° 07' W Longitude

International Dialing Code

+44

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

IST to EST to MST to CST to PST to London, United Kingdom (2024)
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