PST to CST to EST to NST to HST (2024)

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PDT/PST

Pacific Daylight Time

GMT -7

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

CDT/CST

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

NDT/NST

Newfoundland Daylight Time

GMT -2

NST automatically adjusted to NDT time zone, that is in use

HST

Hawaii Standard Time

GMT -10

Time Difference

Pacific Daylight Time is 2 hours behind Central Daylight Time and 3 hours behind Eastern Daylight Time and 4 hours and 30 minutes behind Newfoundland Daylight Time and 3 hours ahead of Hawaii Standard Time
11:30 pm23:30 in PDT is 1:30 am01:30 in CDT and is 2:30 am02:30 in EDT and is 4:00 am04:00 in NDT and is 8:30 pm20:30 in HST

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

11:30 pm23:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
1:30 am01:30 Central Daylight Time (CDT). Offset UTC -5:00 hours
2:30 am02:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
4:00 am04:00 Newfoundland Daylight Time (NDT). Offset UTC -2:30 hours
8:30 pm20:30 Hawaii Standard Time (HST). Offset UTC -10:00 hours

11:30 pm23:30 PDT / 1:30 am01:30 CDT / 2:30 am02:30 EDT / 4:00 am04:00 NDT / 8:30 pm20:30 HST

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

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

PST to CST to EST to NST to HST (2)

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).

PST to CST to EST to NST to HST (3)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.

PST to CST to EST to NST to HST (4)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 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

PST to CST to EST to NST to HST (5)

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).

PST to CST to EST to NST to HST (6)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.

PST to CST to EST to NST to HST (7)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

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

PST to CST to EST to NST to HST (8)

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).

PST to CST to EST to NST to HST (9)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.

PST to CST to EST to NST to HST (10)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

Newfoundland Standard Time

Offset: NST is 3 hours and 30 minutes behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Canada

Principal Cities: The largest city in the NST timezone is St Johns from Canada with population about 99,182 people. Other major cities in the area are Mount Pearl, Corner Brook, Conception Bay South

French: HNT - Heure Normale de Terre-Neuve

PST to CST to EST to NST to HST (11)

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 Newfoundland Daylight Time (NDT).

PST to CST to EST to NST to HST (12)End: Newfoundland Standard Time (NST) 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.

PST to CST to EST to NST to HST (13)Start: Newfoundland Standard Time (NST) 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.

NST representations, usage and related time zones

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

  • -0330 - basic
  • -03:30 - extended

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

  • -0330 - sign character (-) followed by a four digit time providing hours (03) and minutes (30) of the offset. Indicates three hour and thirty minutes time differences to the west of the zero meridian.

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

  • America/St_Johns
  • Canada/Newfoundland

Hawaii Standard Time

Offset: HST is 10 hours behind Greenwich Mean Time (GMT) and is used in Pacific

Countries: It is used in following countries: United States

Principal Cities: The largest city in the HST timezone is Honolulu from USA with population about 371,657 people. Other major cities in the area are Pearl City, Hilo, Kailua, Waipahu

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

PST to CST to EST to NST to HST (14)

HST representations, usage and related time zones

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

  • -10 - basic short
  • -1000 - basic
  • -10:00 - extended

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

  • -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten 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

  • Whiskey - Military abbreviation for HST
  • W - short form of 'Whiskey'

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

  • America/Adak
  • America/Atka
  • HST
  • Pacific/Honolulu
  • Pacific/Johnston
  • US/Aleutian
  • US/Hawaii

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

  • Hawaii Standard Time - UTC -10
  • Hovd Standard Time - UTC +7

Time zones with the GMT -10 offset:

  • HAST - Hawaii-Aleutian Standard Time
  • CKT - Cook Island Time
  • HST - Hawaii Standard Time
  • TAHT - Tahiti Time
  • W - Whiskey Time Zone

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

PST to CST to EST to NST to HST (2024)

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