Time difference between Boulder and Tokyo
Compare the current local time in Boulder and Tokyo, 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 Boulder's 9:00–17:00 business hours overlap with Tokyo's.
Boulder working hours
Tokyo working hours
Overlap (both working)
🇺🇸 Boulder
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🇯🇵 Tokyo
How do you schedule across Boulder and Tokyo?
Scheduling between Boulder and Tokyo is hard. Their standard business hours do not overlap on the same day, with the smallest gap running 1 hour between Boulder closing at 17:00 local and Tokyo opening at 09:00 local. Practical bridging slots: an early Tokyo start at 08:00 (catching Boulder just at close, 17:00), or a late Boulder call at 18:00 (catching Tokyo at opening, 09:00).
What's the quick reference?
| 🇺🇸 Boulder | 🇯🇵 Tokyo | In Tokyo 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 | — | — |