IST to San Francisco, CA, USA
Compare IST time with San Francisco 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 PST (Pacific Standard Time)
5:30 pm17:30 in IST is 4:00 am04:00 in San Francisco, CA, USA
IST to San Francisco 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 San Francisco (previous day)
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
4:00 am04:00 PST (Pacific Standard Time) (San Francisco, CA, USA). Offset UTC -8:00 hours
5:30 pm17:30 IST / 4:00 am04:00 San Francisco, CA, USA
| IST | San Francisco, CA, USA |
|---|---|
| 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
San Francisco Information
Time Zone
PST - Pacific Standard Time
-8:00 hours during Pacific Standard Time.
Sunday, March 8, 2026 at 2:00 am local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Sunday, November 1, 2026 at 2:00 am local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.