Time in Kolkata and San Francisco
The time difference between Kolkata and San Francisco, California, is 12 hours 30 minutes. San Francisco is 12 hours 30 minutes behind Kolkata.
This means 9am in Kolkata is 8:30pm in San Francisco (previous day) and 5pm in Kolkata is 4:30am in San Francisco.
Kolkata
- The current local time in Kolkata is 10:27 am (July 11, 2026)
- Kolkata is in the Indian Standard Time Zone
- The time zone offset for Kolkata, India, is UTC+05:30
San Francisco
- The current local time in San Francisco is 9:57 pm (July 11, 2026)
- San Francisco is in the Pacific Daylight Time Zone
- The time zone offset for San Francisco, United States, is UTC-07:00
How to convert Kolkata time to San Francisco time?
Subtract 12 hours 30 minutes from Kolkata time to get San Francisco time.
Time in Kolkata
00:00
Time in San Francisco
00:00
Use the slider above to convert Kolkata time to San Francisco time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| Kolkata | San Francisco |
|---|---|
| 12am | 11:30am |
| 1am | 12:30pm |
| 2am | 1:30pm |
| 3am | 2:30pm |
| 4am | 3:30pm |
| 5am | 4:30pm |
| 6am | 5:30pm |
| 7am | 6:30pm |
| 8am | 7:30pm |
| 9am | 8:30pm |
| 10am | 9:30pm |
| 11am | 10:30pm |
| 12pm | 11:30pm |
| 1pm | 0:30am |
| 2pm | 1:30am |
| 3pm | 2:30am |
| 4pm | 3:30am |
| 5pm | 4:30am |
| 6pm | 5:30am |
| 7pm | 6:30am |
| 8pm | 7:30am |
| 9pm | 8:30am |
| 10pm | 9:30am |
| 11pm | 10:30am |
Time difference from Kolkata (UTC+05:30)
+30 minutes
+2 hours 30 minutes
-1 hour 30 minutes
+1 hour 30 minutes
+2 hours 30 minutes
-4 hours 30 minutes
-2 hours 30 minutes
-3 hours 30 minutes
+2 hours 30 minutes
+30 minutes