KST to IST to PHT to PST
Time Difference
Korea Standard Time is 3 hours and 30 minutes ahead of India Standard Time and 1 hour ahead of Philippine Time and 16 hours ahead of Pacific Daylight Time
10:30 pm22:30 in KST is 7:00 pm19:00 in IST and is 9:30 pm21:30 in PHT and is 6:30 am06:30 in PDT
KST to IST call time
Best time for a conference call or a meeting is between 11:30am-6pm in KST which corresponds to 8am-2:30pm in IST
KST to PHT call time
Best time for a conference call or a meeting is between 9am-6pm in KST which corresponds to 8am-5pm in PHT
KST to PST call time
Best time for a conference call or a meeting is between 9:30pm-11:30pm in KST which corresponds to 4:30am-6:30am in PST
10:30 pm22:30 Korea Standard Time (KST). Offset UTC +9:00 hours
7:00 pm19:00 India Standard Time (IST). Offset UTC +5:30 hours
9:30 pm21:30 Philippine Time (PHT). Offset UTC +8:00 hours
6:30 am06:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
10:30 pm22:30 KST / 7:00 pm19:00 IST / 9:30 pm21:30 PHT / 6:30 am06:30 PDT
| KST | IST | PHT | PDT |
|---|---|---|---|
| 12am (midnight) | 8:30 pm | 11pm | 8am |
| 1am | 9:30 pm | 12am (midnight) | 9am |
| 2am | 10:30 pm | 1am | 10am |
| 3am | 11:30 pm | 2am | 11am |
| 4am | 12:30 am | 3am | 12pm (noon) |
| 5am | 1:30 am | 4am | 1pm |
| 6am | 2:30 am | 5am | 2pm |
| 7am | 3:30 am | 6am | 3pm |
| 8am | 4:30 am | 7am | 4pm |
| 9am | 5:30 am | 8am | 5pm |
| 10am | 6:30 am | 9am | 6pm |
| 11am | 7:30 am | 10am | 7pm |
| 12pm (noon) | 8:30 am | 11am | 8pm |
| 1pm | 9:30 am | 12pm (noon) | 9pm |
| 2pm | 10:30 am | 1pm | 10pm |
| 3pm | 11:30 am | 2pm | 11pm |
| 4pm | 12:30 pm | 3pm | 12am (midnight) |
| 5pm | 1:30 pm | 4pm | 1am |
| 6pm | 2:30 pm | 5pm | 2am |
| 7pm | 3:30 pm | 6pm | 3am |
| 8pm | 4:30 pm | 7pm | 4am |
| 9pm | 5:30 pm | 8pm | 5am |
| 10pm | 6:30 pm | 9pm | 6am |
| 11pm | 7:30 pm | 10pm | 7am |
| 0:00 | 20:30 | 23:00 | 8:00 |
| 1:00 | 21:30 | 0:00 | 9:00 |
| 2:00 | 22:30 | 1:00 | 10:00 |
| 3:00 | 23:30 | 2:00 | 11:00 |
| 4:00 | 0:30 | 3:00 | 12:00 |
| 5:00 | 1:30 | 4:00 | 13:00 |
| 6:00 | 2:30 | 5:00 | 14:00 |
| 7:00 | 3:30 | 6:00 | 15:00 |
| 8:00 | 4:30 | 7:00 | 16:00 |
| 9:00 | 5:30 | 8:00 | 17:00 |
| 10:00 | 6:30 | 9:00 | 18:00 |
| 11:00 | 7:30 | 10:00 | 19:00 |
| 12:00 | 8:30 | 11:00 | 20:00 |
| 13:00 | 9:30 | 12:00 | 21:00 |
| 14:00 | 10:30 | 13:00 | 22:00 |
| 15:00 | 11:30 | 14:00 | 23:00 |
| 16:00 | 12:30 | 15:00 | 0:00 |
| 17:00 | 13:30 | 16:00 | 1:00 |
| 18:00 | 14:30 | 17:00 | 2:00 |
| 19:00 | 15:30 | 18:00 | 3:00 |
| 20:00 | 16:30 | 19:00 | 4:00 |
| 21:00 | 17:30 | 20:00 | 5:00 |
| 22:00 | 18:30 | 21:00 | 6:00 |
| 23:00 | 19:30 | 22:00 | 7:00 |
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
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +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.
- India - Military abbreviation for KST
- I - short form of 'India'
- Asia/Pyongyang
- Asia/Seoul
- ROK
- Korea Standard Time - UTC +9
- Pyongyang Time - UTC +8:30
- 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
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
- +0530 - basic
- +05:30 - extended
- +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.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- Iran Standard Time - UTC +3:30
Philippine Time
Offset: PHT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia
PHT representations, usage and related time zones
- +08 - basic short
- +0800 - basic
- +08:00 - extended
- +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 east of the zero meridian.
- Hotel - Military abbreviation for PHT
- H - short form of 'Hotel'
- ACT - ASEAN Common Time
- AWST - Australian Western Standard Time
- BNT - Brunei Darussalam Time
- CAST - Casey Time
- CHOT - Choibalsan Time
- CST - China Standard Time
- H - Hotel Time Zone
- HKT - Hong Kong Time
- HOVST - Hovd Summer Time
- IRKT - Irkutsk Time
- KRAST - Krasnoyarsk Summer Time
- MYT - Malaysia Time
- PHT - Philippine Time
- SGT - Singapore Time
- ULAT - Ulaanbaatar Time
- WITA - Central Indonesian Time
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 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 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 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
PST representations, usage and related time zones
- -08 - basic short
- -0800 - basic
- -08:00 - extended
- -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.
- Uniform - Military abbreviation for PST
- U - short form of 'Uniform'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- Pacific Standard Time - UTC -8
- Pitcairn Standard Time - UTC -8
- Peru Standard Time - UTC -5
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone