Kolkata, India to South San Francisco, CA, USA
Compare Kolkata time with South San Francisco time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
IST (India Standard Time) is 13 hours and 30 minutes ahead of PST (Pacific Standard Time)
5:30 pm17:30 in Kolkata, India is 4:00 am04:00 in South San Francisco, CA, USA
Kolkata to South San Francisco call time
Best time for a conference call or a meeting is between 7:30am-8:30am in Kolkata which corresponds to 6pm-7pm in South San Francisco (previous day)
5:30 pm17:30 IST (India Standard Time) (Kolkata, India). Offset UTC +5:30 hours
4:00 am04:00 PST (Pacific Standard Time) (South San Francisco, CA, USA). Offset UTC -8:00 hours
5:30 pm17:30 Kolkata, India / 4:00 am04:00 South San Francisco, CA, USA
| Kolkata, India | South 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 |
Kolkata Information
Time Zone
Kolkata Facts
South 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.