PST to IST to JST to KST (2024)

PDT/PST

Pacific Daylight Time

GMT -7

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

JST

Japan Standard Time

GMT +9

KST

Korea Standard Time

GMT +9

Time Difference

Pacific Daylight Time is 12 hours and 30 minutes behind India Standard Time and 16 hours behind Japan Standard Time and 16 hours behind Korea Standard Time
3:30 am03:30 in PDT is 4:00 pm16:00 in IST and is 7:30 pm19:30 in JST and is 7:30 pm19:30 in KST

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 JST call time
Best time for a conference call or a meeting is between 4:30am-6:30am in PST which corresponds to 9:30pm-11:30pm in JST
PST to KST call time
Best time for a conference call or a meeting is between 4:30am-6:30am in PST which corresponds to 9:30pm-11:30pm in KST

3:30 am03:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
4:00 pm16:00 India Standard Time (IST). Offset UTC +5:30 hours
7:30 pm19:30 Japan Standard Time (JST). Offset UTC +9:00 hours
7:30 pm19:30 Korea Standard Time (KST). Offset UTC +9:00 hours

3:30 am03:30 PDT / 4:00 pm16:00 IST / 7:30 pm19:30 JST / 7:30 pm19:30 KST

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

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 IST to JST to KST (1)

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 IST to JST to KST (2)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 IST to JST to KST (3)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
  • Pakistan Standard Time - UTC +5:30

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

PST to IST to JST to KST (4)

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

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

PST to IST to JST to KST (5)

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

PST to IST to JST to KST (6)

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
PST to IST to JST to KST (2024)

FAQs

Is Korea 17 hours ahead of PST? ›

Korea Standard Time is 17 hours ahead of Pacific Standard Time, and 9 hours ahead of UTC.

How far ahead of PST is JST? ›

What is the difference between PST and JST time zones? The Pacific Standard Time (PST) is 16 hours behind of Japan Standard Time (JST).

How many hours is KST from PST? ›

What is the difference between PST and KST time zones? The Pacific Standard Time (PST) is 16 hours behind of Korea Standard Time (KST).

Are JST and KST the same? ›

The Japan Standard Time (JST) is 0 hours ahead of Korea Standard Time (KST).

What country is 14 hours ahead of PST? ›

Kiribati – pronounced Kiribas – is the only nation on Earth to permanently trespass into GMT+14: the earliest time zone in the world. You can think of Kiribati as the eternal land of tomorrow: if it's Sunday where you are, it's probably Monday in Kiribati.

What country is 17 hours ahead of the US? ›

Japan is in a time zone referred to as “Japan Standard Time”(JST), which is 9 hours ahead of Greenwich Time. It is 17 hours ahead of Los Angeles, 14 hours ahead of New York, and 9 hours ahead of London. (During the summer, the difference is one hour less).

Is Japan 17 hours ahead of PST? ›

There is indeed a 17 hours difference between the American West Coast and Japan. Since Japan doesn't switch to daylight savings time, this is reduced to 16 hours in summer.

Is JST Japan Standard Time? ›

Japan Standard Time (日本標準時, Nihon Hyōjunji, JST), or Japan Central Standard Time (中央標準時, Chūō Hyōjunji, JCST), is the standard time zone in Japan, 9 hours ahead of UTC (UTC+09:00). Japan does not observe daylight saving time, though its introduction has been debated on several occasions.

What place is 12 hours ahead of PST? ›

The country that is 12 hours ahead of USA is New Zealand . This small island nation in the southwestern Pacific Ocean is located on the opposite side of the International Date Line , which separates the Eastern and Western hemispheres .

What country is 3 hours behind PST? ›

So, the time zone three hours behind California is UTC -11, which affects American Samoa (Pago Pago), Jarvis Island, Kingman Reef, Midway Islands, Niue (Alofi), and Palmyra Atoll (to name a few).

Does Korea use KST? ›

South Korea has one time zone, Korea Standard Time (GMT+9), which is abbreviated KST. South Korea currently does not observe daylight saving time.

How far is Hawaii behind PST? ›

Hawaii is in the Hawaii-Aleutian Time Zone because it's 2000 miles west of the Pacific Time Zone. It's two hours behind Pacific Time.

How far ahead is JST from PST? ›

What is the difference between JST and PST time zones? The Japan Standard Time (JST) is 16 hours ahead of Pacific Standard Time (PST).

Who uses JST? ›

JST connectors are used in many types of products, and commonly used by electronics hobbyists and consumer products for rechargeable battery packs, battery balancers, battery eliminator circuits, 3D printers, and radio controlled servos.

What is JST Japan? ›

The Japan Science and Technology Agency (JST) is one of Japan's core research institutions, responsible for the implementation of science and technology policy in the country.

Is Korea 16 hours ahead of California? ›

California is 16 hours behind Seoul.

How far ahead is South Korea from PST? ›

Getting Started
Pacific Standard Time (PST) to Seoul, South Korea ( in Seoul)
8 pm PSTis12 pm in Seoul
9 pm PSTis1 pm in Seoul
10 pm PSTis2 pm in Seoul
11 pm PSTis3 pm in Seoul
8 more rows

Is Korea 13 or 14 hours ahead? ›

Korea time zone is +9:00 hours from Greenwich Mean Time (GMT) or London, England time. Korea is typically 13-14 hours ahead of US Eastern Standard Time (EST), New York time. Unlike the US, Korea does not follow daylight savings time.

How far ahead in time is Korea? ›

The time in Seoul is 14 hours ahead of the time in New York when New York is on standard time, and 13 hours ahead of the time in New York when New York is on daylight saving time. Seoul has not had daylight saving time since 1988.

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