Boulder to Shanghai Time Difference
Shanghai is 14 hours ahead of Boulder. When it is noon in Boulder, it is 02:00 in Shanghai.
Denver (UTC-6) → Shanghai (UTC+8)
🕐 Interactive Time Explorer
When it's 01:00 in Boulder, it's 15:00 in Shanghai
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Boulder & Shanghai◐ Extended Hours (3 hours)
✈️ Travel Information
Distance
10,744 km
Est. Flight Time
~13.6h
Time Difference
+14h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Boulder
20:00
Shanghai
09:00
Boulder
23:00
Shanghai
12:00
Boulder
02:00
Shanghai (+1)
15:00
Boulder
05:00
Shanghai (+1)
18:00
Boulder
08:00
Shanghai (+1)
21:00
Boulder
11:00
Shanghai (+1)
00:00
Boulder
14:00
Shanghai
03:00
Boulder
17:00
Shanghai
Frequently Asked Questions
How many hours is Boulder behind Shanghai?
Shanghai is 14 hours ahead of Boulder. When it is 12:00 noon in Boulder, it is 02:00 in Shanghai. Boulder operates on America/Denver (UTC-6), while Shanghai uses Asia/Shanghai (UTC+8).
What is the best time to call Shanghai from Boulder?
Standard business hours (9 AM–5 PM) do not overlap between Boulder and Shanghai due to the 14 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Boulder to Shanghai time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Boulder and Shanghai
The distance between Boulder and Shanghai is approximately 10,744 km. A direct flight typically takes around 13.6 hours. Your arrival clock will show local Shanghai time — use our Flight Time Calculator to predict exact arrival times.