IST to PST Converter
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Selected conversion
The selected date and time will appear here when the converter loads.
IST and PST examples
These examples always use IST (UTC+5:30) and PST (UTC-8). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IST is 13 hours and 30 minutes ahead of PST.
PST uses UTC-8 during standard time. For Pacific Time that follows daylight saving time, use IST to PT. For daylight-time examples, use IST to PDT.
Popular IST to PST conversions
| IST | IST 24-hour | PST | PST 24-hour |
|---|---|---|---|
| 9:00 am | 09:00 | 7:30 pm (previous day) | 19:30 (previous day) |
| 10:00 am | 10:00 | 8:30 pm (previous day) | 20:30 (previous day) |
| 11:00 am | 11:00 | 9:30 pm (previous day) | 21:30 (previous day) |
| 8:00 pm | 20:00 | 6:30 am | 06:30 |
| 9:00 pm | 21:00 | 7:30 am | 07:30 |
| 10:00 pm | 22:00 | 8:30 am | 08:30 |
How the time difference changes
For most of the year, IST is 12 hours and 30 minutes ahead of PDT. At other times of the year, IST is 13 hours and 30 minutes ahead of PST.
For most of the year, working hours of 9:00 am to 5:00 pm in IST correspond to 8:30 pm (previous day) to 4:30 am in PDT. At other times of the year, working hours of 9:00 am to 5:00 pm in IST correspond to 7:30 pm (previous day) to 3:30 am in PST.
Compare IST time with PST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 13 hours and 30 minutes ahead of Pacific Standard Time
5:30 pm17:30 in IST is 4:00 am04:00 in PST
IST to PST call time
Best time for a conference call or a meeting is between 7:30am-8:30am in IST which corresponds to 6pm-7pm in PST (previous day)
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
5:30 pm17:30 IST / 4:00 am04:00 PST
| IST | PST |
|---|---|
| 12am (midnight) | 10:30 am |
| 1am | 11:30 am |
| 2am | 12:30 pm |
| 3am | 1:30 pm |
| 4am | 2:30 pm |
| 5am | 3:30 pm |
| 6am | 4:30 pm |
| 7am | 5:30 pm |
| 8am | 6:30 pm |
| 9am | 7:30 pm |
| 10am | 8:30 pm |
| 11am | 9:30 pm |
| 12pm (noon) | 10:30 pm |
| 1pm | 11:30 pm |
| 2pm | 12:30 am |
| 3pm | 1:30 am |
| 4pm | 2:30 am |
| 5pm | 3:30 am |
| 6pm | 4:30 am |
| 7pm | 5:30 am |
| 8pm | 6:30 am |
| 9pm | 7:30 am |
| 10pm | 8:30 am |
| 11pm | 9:30 am |
| 00:00 | 10:30 |
| 01:00 | 11:30 |
| 02:00 | 12:30 |
| 03:00 | 13:30 |
| 04:00 | 14:30 |
| 05:00 | 15:30 |
| 06:00 | 16:30 |
| 07:00 | 17:30 |
| 08:00 | 18:30 |
| 09:00 | 19:30 |
| 10:00 | 20:30 |
| 11:00 | 21:30 |
| 12:00 | 22:30 |
| 13:00 | 23:30 |
| 14:00 | 00:30 |
| 15:00 | 01:30 |
| 16:00 | 02:30 |
| 17:00 | 03:30 |
| 18:00 | 04:30 |
| 19:00 | 05:30 |
| 20:00 | 06:30 |
| 21:00 | 07:30 |
| 22:00 | 08:30 |
| 23:00 | 09:30 |
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
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