PST to IST to Seoul, South Korea
Compare PST time with IST and Seoul time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Pacific Standard Time is 13 hours and 30 minutes behind India Standard Time and 17 hours behind KST (Korea Standard Time)
4:00 am04:00 in PST is 5:30 pm17:30 in IST and is 9:00 pm21:00 in Seoul, South Korea
PST to IST call time
Best time for a conference call or a meeting is between 6pm-7pm in PST which corresponds to 7:30am-8:30am in IST (next day)
PST to Seoul call time
Best time for a conference call or a meeting is between 4pm-5pm in PST which corresponds to 9am-10am in Seoul (next day)
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
9:00 pm21:00 KST (Korea Standard Time) (Seoul, South Korea). Offset UTC +9:00 hours
4:00 am04:00 PST / 5:30 pm17:30 IST / 9:00 pm21:00 Seoul, South Korea
| PST | IST | Seoul, South Korea |
|---|---|---|
| 12am (midnight) | 1:30 pm | 5pm |
| 1am | 2:30 pm | 6pm |
| 2am | 3:30 pm | 7pm |
| 3am | 4:30 pm | 8pm |
| 4am | 5:30 pm | 9pm |
| 5am | 6:30 pm | 10pm |
| 6am | 7:30 pm | 11pm |
| 7am | 8:30 pm | 12am (midnight) |
| 8am | 9:30 pm | 1am |
| 9am | 10:30 pm | 2am |
| 10am | 11:30 pm | 3am |
| 11am | 12:30 am | 4am |
| 12pm (noon) | 1:30 am | 5am |
| 1pm | 2:30 am | 6am |
| 2pm | 3:30 am | 7am |
| 3pm | 4:30 am | 8am |
| 4pm | 5:30 am | 9am |
| 5pm | 6:30 am | 10am |
| 6pm | 7:30 am | 11am |
| 7pm | 8:30 am | 12pm (noon) |
| 8pm | 9:30 am | 1pm |
| 9pm | 10:30 am | 2pm |
| 10pm | 11:30 am | 3pm |
| 11pm | 12:30 pm | 4pm |
| 00:00 | 13:30 | 17:00 |
| 01:00 | 14:30 | 18:00 |
| 02:00 | 15:30 | 19:00 |
| 03:00 | 16:30 | 20:00 |
| 04:00 | 17:30 | 21:00 |
| 05:00 | 18:30 | 22:00 |
| 06:00 | 19:30 | 23:00 |
| 07:00 | 20:30 | 00:00 |
| 08:00 | 21:30 | 01:00 |
| 09:00 | 22:30 | 02:00 |
| 10:00 | 23:30 | 03:00 |
| 11:00 | 00:30 | 04:00 |
| 12:00 | 01:30 | 05:00 |
| 13:00 | 02:30 | 06:00 |
| 14:00 | 03:30 | 07:00 |
| 15:00 | 04:30 | 08:00 |
| 16:00 | 05:30 | 09:00 |
| 17:00 | 06:30 | 10:00 |
| 18:00 | 07:30 | 11:00 |
| 19:00 | 08:30 | 12:00 |
| 20:00 | 09:30 | 13:00 |
| 21:00 | 10:30 | 14:00 |
| 22:00 | 11:30 | 15:00 |
| 23:00 | 12:30 | 16:00 |
Pacific Standard Time
Offset: PST is 8 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.793 million people. Other major cities in this time zone include 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. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).
Start: Pacific Standard Time (PST) started on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.
End: Pacific Standard Time (PST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.
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 an offset of eight hours 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
- 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 using this time zone: India
Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bangalore, Kolkata, Chennai.
Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

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 an offset of five hours and thirty minutes 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
