Time difference between Colombo and Oakland
Compare the current local time in Colombo and Oakland, 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 Oakland's.
Colombo working hours
Oakland working hours
Overlap (both working)
🇱🇰 Colombo
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🇺🇸 Oakland
How do you schedule across Colombo and Oakland?
Scheduling between Colombo and Oakland is hard. Their standard business hours do not overlap on the same day, with the smallest gap running 3 hours 30 minutes between Oakland closing at 17:00 local and Colombo opening at 09:00 local. Practical bridging slots: an early Colombo start at 05:30 (catching Oakland just at close, 17:00), or a late Oakland call at 20:30 (catching Colombo at opening, 09:00).
What's the quick reference?
| 🇱🇰 Colombo | 🇺🇸 Oakland | In Oakland 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 | — | — |