San Francisco ↔ Shenzhen
Best Time to Call
Decent overlap available between 16:00 and 19:00 (San Francisco time).
Sync San Francisco and Shenzhen easily. San Francisco is 16 hours behind Shenzhen. Decent overlap available between 16:00 and 19:00 (San Francisco time).
Upcoming Time Change
- New York City clocks forward 1h in 10 days Mar 08
💡 Review recurring meetings scheduled during these dates to avoid sync issues.
Meeting Optimizer
Sync Score
5.3/10
-12h Current Time +12h
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Tokyo
17:06 GMT+9
Personal
Outside Business Hours🌍
New York City
03:06 EST
Sleeping
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London
08:06 GMT
Personal
Outside Business HoursSynchronization Context
Operating on opposite sides of the clock, these cities have virtually no overlapping business hours. Expect a 24-hour turnaround for most communications.
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.
Shenzhen Business Pulse
- Culture Hardware capital of the world. "Shenzhen speed" means ultra-fast prototyping and decision making.
- Lunch Break 12:00 PM - 1:30 PM.
- Pro Tip Call between 9:30 AM and 11:30 AM for the quickest decisions. This is the fastest-paced city in China; expect your contacts to value speed and efficiency above all else. Avoid the 12-1:30 PM lunch/nap window. Respond to follow-ups immediately to maintain momentum.
Quick Comparison
| Feature | San Francisco | Shenzhen |
|---|---|---|
| Timezone | America/Los_Angeles | Asia/Shanghai |
| Country | USA | China |
| Coordinates | 37.77, -122.42 | 22.54, 114.06 |
| Population | 3,318,000 | 13,035,000 |