Los Angeles to Boulder Time Difference
Boulder is 1 hour ahead of Los Angeles. When it is noon in Los Angeles, it is 13:00 in Boulder.
Los Angeles (UTC-7) → Denver (UTC-6)
🕐 Interactive Time Explorer
When it's 04:00 in Los Angeles, it's 05:00 in Boulder
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Los Angeles & Boulder✓ 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 09:00
09:00 - 16:00
⏰ Quick Conversion
06:00
Los Angeles
07:00
Boulder
09:00
Los Angeles
10:00
Boulder
12:00
Los Angeles
13:00
Boulder
15:00
Los Angeles
16:00
Boulder
18:00
Los Angeles
19:00
Boulder
21:00
Los Angeles
22:00
Boulder
00:00
Los Angeles
01:00
Boulder
03:00
Los Angeles
04:00
Boulder
Frequently Asked Questions
How many hours is Los Angeles behind Boulder?
Boulder is 1 hour ahead of Los Angeles. When it is 12:00 noon in Los Angeles, it is 13:00 in Boulder. Los Angeles operates on America/Los Angeles (UTC-7), while Boulder uses America/Denver (UTC-6).
What is the best time to call Boulder from Los Angeles?
There are 7 hours of overlapping business time (9 AM–5 PM) between Los Angeles and Boulder. The best window is 09:00–16:00 Los Angeles time (10:00–17:00 in Boulder).
Does the Los Angeles to Boulder 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 Los Angeles and Boulder
The distance between Los Angeles and Boulder is approximately 1,327 km. A direct flight typically takes around 2.6 hours. Your arrival clock will show local Boulder time — use our Flight Time Calculator to predict exact arrival times.