San Francisco ↔ Sofia
Best Time to Call
Decent overlap available between 8:00 and 9:00 (San Francisco time).
Sync San Francisco and Sofia easily. San Francisco is 10 hours behind Sofia. Decent overlap available between 8:00 and 9:00 (San Francisco 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
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Tokyo
15:33 GMT+9
Working
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New York City
01:33 EST
Sleeping
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London
06:33 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.
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.
Sofia Business Pulse
- Culture Energetic, tech-focused, and increasingly international. A growing hub for IT and services.
- Lunch Break 12:30 PM - 1:30 PM.
- Pro Tip Best times for calls are 10:00 AM to 12:00 PM. Bulgarians value personal rapport; a warm but professional tone is effective. The tech sector is very globalized and efficient. Punctuality is appreciated. Be prepared for direct and honest communication once trust is established.
Quick Comparison
| Feature | San Francisco | Sofia |
|---|---|---|
| Timezone | America/Los_Angeles | Europe/Sofia |
| Country | USA | Bulgaria |
| Coordinates | 37.77, -122.42 | 42.70, 23.32 |
| Population | 3,318,000 | 1,241,675 |