Time Difference Between Bangalore and San Francisco
As of 31 August 2026, San Francisco is 12 hours 30 minutes behind Bangalore. That number is not constant. Over the course of a year, because of daylight saving changes, San Francisco, United States ranges from 13 hours 30 minutes behind to 12 hours 30 minutes behind relative to Bangalore, India. The calculator below is always up to date.
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Bangalore, India
04:04
Tue, Sep 1, 2026
UTC+5:30 · Asia/Kolkata
San Francisco, United States
-12h 30m15:34
Mon, Aug 31, 2026
UTC-7 · PDT · America/Los_Angeles
San Francisco is 12 hours 30 minutes behind Bangalore.
When it is 04:04 in Bangalore, it is already the previous day in San Francisco.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Bangalore | Tuesday, September 1, 2026 | Asia/Kolkata | UTC+5:30 | Not observed |
| San Francisco | Monday, August 31, 2026 | PDTAmerica/Los_Angeles | UTC-7 | Active now |
Hour by hour: Bangalore to San Francisco
Every hour of today in Bangalore and what it is in San Francisco. Highlighted rows fall inside San Francisco working hours (09:00–18:00).
| Bangalore | San Francisco |
|---|---|
| 00:00 | 11:30prev day |
| 01:00 | 12:30prev day |
| 02:00 | 13:30prev day |
| 03:00 | 14:30prev day |
| 04:00 | 15:30prev day |
| 05:00 | 16:30prev day |
| 06:00 | 17:30prev day |
| 07:00 | 18:30prev day |
| 08:00 | 19:30prev day |
| 09:00 | 20:30prev day |
| 10:00 | 21:30prev day |
| 11:00 | 22:30prev day |
| Bangalore | San Francisco |
|---|---|
| 12:00 | 23:30prev day |
| 13:00 | 00:30 |
| 14:00 | 01:30 |
| 15:00 | 02:30 |
| 16:00 | 03:30 |
| 17:00 | 04:30 |
| 18:00 | 05:30 |
| 19:00 | 06:30 |
| 20:00 | 07:30 |
| 21:00 | 08:30 |
| 22:00 | 09:30 |
| 23:00 | 10:30 |
Best time to call or meet
Overlapping working hours
No overlap
Standard working hours in Bangalore and San Francisco never overlap. Someone has to start early or finish late — the calling window below is the practical compromise.
Reasonable calling hours
08:00–09:30 in Bangalore (19:30–21:00 in San Francisco)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
San Francisco puts its clocks back on Sunday, November 1, 2026
The local offset moves from UTC-7 to UTC-8. After that date, San Francisco is 13 hours 30 minutes behind Bangalore — instead of 12 hours 30 minutes behind, as it is today.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
Bangalore and San Francisco: common questions
What is the time difference between Bangalore and San Francisco?
As of 31 August 2026, San Francisco is 12 hours 30 minutes behind Bangalore. The gap is not fixed: across the year, San Francisco ranges from 13 hours 30 minutes behind to 12 hours 30 minutes behind relative to Bangalore, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in Bangalore, what time is it in San Francisco?
It is 08:30 PM in San Francisco, United States. Use the time field in the calculator above to check any other hour.
Is San Francisco ahead of or behind Bangalore?
San Francisco is behind Bangalore by 12 hours 30 minutes at the moment. In practical terms, the working day in San Francisco starts and ends later in Bangalore terms.
Do Bangalore and San Francisco observe daylight saving time?
San Francisco changes its clocks twice a year; Bangalore does not. The difference therefore shifts by an hour when San Francisco switches: across the year, San Francisco ranges from 13 hours 30 minutes behind to 12 hours 30 minutes behind relative to Bangalore.
What is the best time to call San Francisco from Bangalore?
Standard working hours in Bangalore and San Francisco do not overlap at all, so one side has to take the call outside office hours. Early morning in Bangalore or late evening is usually the least disruptive option.
Related comparisons
Local dates shown for Bangalore, India (UTC+5:30) and San Francisco, United States (UTC-7) were generated on Monday, August 31, 2026 UTC and refresh in your browser.