Time difference between Boston and Los Angeles

Los Angeles is 3 hours behind Boston.

United States · Eastern Daylight Time

3:44 AM

Wednesday, October 21, 2026

United States · Pacific Daylight Time

12:44 AM

Wednesday, October 21, 2026

Boston to Los Angeles time converter

Green rows are office hours in both places; light green rows are when both are awake.

What is the time difference between Boston and Los Angeles?

Los Angeles is 3 hours behind Boston. Boston is on UTC−4 and Los Angeles is on UTC−7.

What time is it in Los Angeles when it is 9 AM in Boston?

When it is 9:00 AM in Boston, it is 6:00 AM in Los Angeles.

When is the best time to call Los Angeles from Boston?

The best time to call or meet is 12:00 PM–6:00 PM in Boston (9:00 AM–3:00 PM in Los Angeles), when both places are in normal office hours.

Does the time difference between Boston and Los Angeles change?

Yes. Because of daylight saving time, the difference changes on Sunday, November 1, 2026, when Los Angeles will be 2 hours behind Boston.

Boston is 3 hours ahead of Los Angeles. More: time in Boston · time in Los Angeles