Time difference between Colombo and San Francisco
Compare the current local time in Colombo and San Francisco, see when your working hours overlap, and convert any specific hour between the two timezones.
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How do I convert a specific time?
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What's the working-hours overlap?
When Colombo's 9:00–17:00 business hours overlap with San Francisco's.
Colombo working hours
San Francisco working hours
Overlap (both working)
🇱🇰 Colombo
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🇺🇸 San Francisco
How do you schedule across Colombo and San Francisco?
Scheduling between Colombo and San Francisco is hard. Their standard business hours do not overlap on the same day, with the smallest gap running 3 hours 30 minutes between San Francisco closing at 17:00 local and Colombo opening at 09:00 local. Practical bridging slots: an early Colombo start at 05:30 (catching San Francisco just at close, 17:00), or a late San Francisco call at 20:30 (catching Colombo at opening, 09:00).
What's the quick reference?
| 🇱🇰 Colombo | 🇺🇸 San Francisco | In San Francisco it's… |
|---|---|---|
| 06:00 — Early morning | — | — |
| 09:00 — Start of work | — | — |
| 12:00 — Lunchtime | — | — |
| 15:00 — Mid-afternoon | — | — |
| 17:00 — End of work | — | — |
| 20:00 — Evening | — | — |