Boulder to Los Angeles Time Difference
Los Angeles is 1 hour behind Boulder. When it is noon in Boulder, it is 11:00 in Los Angeles.
Denver (UTC-6) → Los Angeles (UTC-7)
🕐 Interactive Time Explorer
When it's 04:00 in Boulder, it's 03:00 in Los Angeles
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Boulder & Los Angeles✓ Perfect Match (7 hours)
◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
1,327 km
Est. Flight Time
~2.6h
Time Difference
-1h
Work Hours Overlap
7h
Excellent
🔴 Office Closed
Tomorrow 10:00
10:00 - 17:00
⏰ Quick Conversion
06:00
Boulder
05:00
Los Angeles
09:00
Boulder
08:00
Los Angeles
12:00
Boulder
11:00
Los Angeles
15:00
Boulder
14:00
Los Angeles
18:00
Boulder
17:00
Los Angeles
21:00
Boulder
20:00
Los Angeles
00:00
Boulder
23:00
Los Angeles (-1)
03:00
Boulder
02:00
Los Angeles
Frequently Asked Questions
How many hours is Boulder ahead of Los Angeles?
Los Angeles is 1 hour behind Boulder. When it is 12:00 noon in Boulder, it is 11:00 in Los Angeles. Boulder operates on America/Denver (UTC-6), while Los Angeles uses America/Los Angeles (UTC-7).
What is the best time to call Los Angeles from Boulder?
There are 8 hours of overlapping business time (9 AM–5 PM) between Boulder and Los Angeles. The best window is 10:00–18:00 Boulder time (09:00–17:00 in Los Angeles).
Does the Boulder to Los Angeles 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 Los Angeles
The distance between Boulder and Los Angeles is approximately 1,327 km. A direct flight typically takes around 2.6 hours. Your arrival clock will show local Los Angeles time — use our Flight Time Calculator to predict exact arrival times.