Time difference between Chennai and San Francisco
13h 30m
Chennai is 13h 30m ahead of San Francisco.
Does daylight saving change it?
Yes. In winter the gap is 13h 30m; in summer it is 12h 30m. Only San Francisco observes daylight saving.
Overlapping work hours
During Chennai work hours (09:00–18:00) San Francisco is off the clock. One side has to take an early morning or a late evening.
Chennai time → San Francisco time
| 00:00 | 10:30prev day |
|---|---|
| 01:00 | 11:30prev day |
| 02:00 | 12:30prev day |
| 03:00 | 13:30prev day |
| 04:00 | 14:30prev day |
| 05:00 | 15:30prev day |
| 06:00 | 16:30prev day |
| 07:00 | 17:30prev day |
| 08:00 | 18:30prev day |
| 09:00 | 19:30prev day |
| 10:00 | 20:30prev day |
| 11:00 | 21:30prev day |
| 12:00 | 22:30prev day |
| 13:00 | 23:30prev day |
| 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 |
Standard time (January). During daylight saving each row shifts by an hour.
Frequently asked questions
Q. How many hours is Chennai ahead of San Francisco?
13h 30m on standard time. During daylight saving it becomes 12h 30m, an hour more or less.
Q. What time is it in San Francisco when it is noon in Chennai?
Read the 12:00 row of the 24-hour table below. The table is on standard time, so each row shifts an hour during daylight saving.
Q. When should we schedule a meeting?
The work hours do not overlap at all. One side has to take an early morning or a late evening.