Time difference between San Francisco and Bengaluru

Updated live in your browser · IANA time zone database (America/Los_Angeles, Asia/Kolkata)

Bengaluru is 12 hours and 30 minutes ahead of San Francisco. Right now it is in San Francisco and in Bengaluru. When it is 12:00 noon in San Francisco, it is 12:30 AM in Bengaluru.
San Francisco PDT · UTC-7
Bengaluru GMT+5:30 · UTC+5:30
Difference 12 hours and 30 minutes — Bengaluru is ahead of San Francisco

Best time to call

Both in office hours (9–17) Both awake (7–22) One side asleep

Hours shown in San Francisco time. The two working days never overlap: when San Francisco is at its desk, Bengaluru is asleep. Schedule at the edge of one side's day.

Hour-by-hour conversion

San Francisco time converted to Bengaluru time, hour by hour
San Francisco (PDT) Bengaluru (GMT+5:30) Call quality
12:00 AM 12:30 PM Off hours
1:00 AM 1:30 PM Off hours
2:00 AM 2:30 PM Off hours
3:00 AM 3:30 PM Off hours
4:00 AM 4:30 PM Off hours
5:00 AM 5:30 PM Off hours
6:00 AM 6:30 PM Off hours
7:00 AM 7:30 PM OK
8:00 AM 8:30 PM OK
9:00 AM 9:30 PM OK
10:00 AM 10:30 PM Off hours
11:00 AM 11:30 PM Off hours
12:00 PM 12:30 AM+1 day Off hours
1:00 PM 1:30 AM+1 day Off hours
2:00 PM 2:30 AM+1 day Off hours
3:00 PM 3:30 AM+1 day Off hours
4:00 PM 4:30 AM+1 day Off hours
5:00 PM 5:30 AM+1 day Off hours
6:00 PM 6:30 AM+1 day Off hours
7:00 PM 7:30 AM+1 day OK
8:00 PM 8:30 AM+1 day OK
9:00 PM 9:30 AM+1 day OK
10:00 PM 10:30 AM+1 day Off hours
11:00 PM 11:30 AM+1 day Off hours

Daylight saving time note

San Francisco and Bengaluru do not change their clocks on the same date. Between November 1, 2026 and March 14, 2027 the difference is 13 hours and 30 minutes behind Bengaluru — because San Francisco changes its clocks for daylight saving time while Bengaluru keeps the same time all year.

For the rest of the year the difference holds steady at 12 hours and 30 minutes. Every time on this page is computed from the IANA database at the moment you load it, so the tables above already account for whichever side has switched.

Why the time difference exists

The clock in San Francisco is anchored to UTC-8 standard time; Bengaluru works from UTC+5:30 standard time. San Francisco moves its clocks for daylight saving time while Bengaluru keeps the same time all year, so the gap widens and narrows by an hour with the seasons. Geographically the two lie about 14,000 km apart, with Bengaluru to the northwest of San Francisco.

Flying from San Francisco to Bengaluru, your body clock shifts about 11 hours back. In flying terms that's roughly 17 hours in the air, give or take. A quick look at each side's working hours keeps meetings out of the middle of the night.

Related comparisons

San Francisco compared with other major cities

Time difference from San Francisco to other major cities
CityLocal timeDifference from San Francisco
Shanghai 15 hours ahead of San Francisco
Beijing 15 hours ahead of San Francisco
Shenzhen 15 hours ahead of San Francisco
Guangzhou 15 hours ahead of San Francisco
Kinshasa 8 hours ahead of San Francisco
Istanbul 10 hours ahead of San Francisco
Lagos 8 hours ahead of San Francisco
Ho Chi Minh City 14 hours ahead of San Francisco
Chengdu 15 hours ahead of San Francisco
Lahore 12 hours ahead of San Francisco
Mumbai 12 hours and 30 minutes ahead of San Francisco
São Paulo 4 hours ahead of San Francisco

Related pages

Frequently asked questions

What is the time difference between San Francisco and Bengaluru?
San Francisco is 12 hours and 30 minutes behind Bengaluru right now. The figure is computed live and accounts for daylight saving time on both sides.
Does the difference between San Francisco and Bengaluru change during the year?
Yes. From November 1, 2026 to March 14, 2027 the difference is 13 hours and 30 minutes behind Bengaluru, because San Francisco changes its clocks for daylight saving time while Bengaluru keeps the same time all year.
What is the best time to call between San Francisco and Bengaluru?
Their 9 AM–5 PM business hours never overlap — schedule at the edge of one side's day.