Boston to Los Angeles Time Difference
Los Angeles is 3 hours behind Boston. When it is noon in Boston, it is 09:00 in Los Angeles.
New York (UTC-4) → Los Angeles (UTC-7)
🕐 Interactive Time Explorer
When it's 09:00 in Boston, it's 06:00 in Los Angeles
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Boston & Los Angeles✓ Perfect Match (5 hours)
◐ Extended Hours (5 hours)
✈️ Travel Information
Distance
4,169 km
Est. Flight Time
~5.9h
Time Difference
-3h
Work Hours Overlap
5h
Good
🔴 Office Closed
Today 12:00
12:00 - 17:00
⏰ Quick Conversion
06:00
Boston
03:00
Los Angeles
09:00
Boston
06:00
Los Angeles
12:00
Boston
09:00
Los Angeles
15:00
Boston
12:00
Los Angeles
18:00
Boston
15:00
Los Angeles
21:00
Boston
18:00
Los Angeles
00:00
Boston
21:00
Los Angeles (-1)
03:00
Boston
00:00
Los Angeles
Frequently Asked Questions
How many hours is Boston ahead of Los Angeles?
Los Angeles is 3 hours behind Boston. When it is 12:00 noon in Boston, it is 09:00 in Los Angeles. Boston operates on America/New York (UTC-4), while Los Angeles uses America/Los Angeles (UTC-7).
What is the best time to call Los Angeles from Boston?
There are 6 hours of overlapping business time (9 AM–5 PM) between Boston and Los Angeles. The best window is 12:00–18:00 Boston time (09:00–15:00 in Los Angeles).
Does the Boston 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 Boston and Los Angeles
The distance between Boston and Los Angeles is approximately 4,169 km. A direct flight typically takes around 5.9 hours. Your arrival clock will show local Los Angeles time — use our Flight Time Calculator to predict exact arrival times.