Time difference between Boulder and Shanghai
Compare the current local time in Boulder and Shanghai, see when your working hours overlap, and convert any specific hour between the two timezones.
--:--
—
--:--
—
How do I convert a specific time?
--:--
--:--
What's the working-hours overlap?
When Boulder's 9:00–17:00 business hours overlap with Shanghai's.
Boulder working hours
Shanghai working hours
Overlap (both working)
🇺🇸 Boulder
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
🇨🇳 Shanghai
How do you schedule across Boulder and Shanghai?
Scheduling between Boulder and Shanghai is hard. Their standard business hours do not overlap on the same day, with the smallest gap running 2 hours between Boulder closing at 17:00 local and Shanghai opening at 09:00 local. Practical bridging slots: an early Shanghai start at 07:00 (catching Boulder just at close, 17:00), or a late Boulder call at 19:00 (catching Shanghai at opening, 09:00).
What's the quick reference?
| 🇺🇸 Boulder | 🇨🇳 Shanghai | In Shanghai 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 | — | — |