Chennai ↔ San Francisco
Best Time to Call
Decent overlap available between 8:00 and 9:00 (Chennai time).
Sync Chennai and San Francisco easily. Chennai is 13 hours 30 minutes ahead of San Francisco. Decent overlap available between 8:00 and 9:00 (Chennai time).
Upcoming Time Change
- New York City clocks forward 1h in 11 days Mar 09
💡 Review recurring meetings scheduled during these dates to avoid sync issues.
Meeting Optimizer
Sync Score
3.3/10
-12h Current Time +12h
🌍
Tokyo
15:42 GMT+9
Working
🌍
New York City
01:42 EST
Sleeping
🌍
London
06:42 GMT
Sleeping
Synchronization Context
Operating on opposite sides of the clock, these cities have virtually no overlapping business hours. Expect a 24-hour turnaround for most communications.
Chennai Business Pulse
- Culture Hardworking, traditional, and values technical expertise and education.
- Lunch Break 1:00 PM - 2:00 PM.
- Pro Tip Best times for calls are 10:30 AM to 12:30 PM and 2:30 PM to 4:30 PM. Chennai values technical depth and intellectual rigor. Dress and tone should be conservative and professional. Hierarchy is respected, and punctuality (allowing for traffic) is appreciated.
San Francisco Business Pulse
- Culture Innovation-focused and casual. Values disruption, speed, and technical excellence.
- Lunch Break 12:30 PM - 1:30 PM.
- Pro Tip Best reached between 10:00 AM and 4:00 PM. Expect a casual, tech-first vibe—informal language and dress are the norm. However, technical competence and speed are non-negotiable. Many in the Bay Area work non-traditional hours, but standard business times remain the safest bet.
Quick Comparison
| Feature | Chennai | San Francisco |
|---|---|---|
| Timezone | Asia/Kolkata | America/Los_Angeles |
| Country | India | USA |
| Coordinates | 13.08, 80.27 | 37.77, -122.42 |
| Population | 11,900,000 | 3,318,000 |