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
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
12:00 am00:00 in PDT is 12:30 pm12:30 in IST and is 4:00 pm16:00 in JST and is 4:00 pm16:00 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
12:00 am00:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
12:30 pm12:30 India Standard Time (IST). Offset UTC +5:30 hours
4:00 pm16:00 Japan Standard Time (JST). Offset UTC +9:00 hours
4:00 pm16:00 Korea Standard Time (KST). Offset UTC +9:00 hours
12:00 am00:00 PDT / 12:30 pm12:30 IST / 4:00 pm16:00 JST / 4:00 pm16:00 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
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
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
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
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
