Time difference between Boston and Las Vegas

Las Vegas 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 Las Vegas 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 Las Vegas?

Las Vegas is 3 hours behind Boston. Boston is on UTC−4 and Las Vegas is on UTC−7.

What time is it in Las Vegas when it is 9 AM in Boston?

When it is 9:00 AM in Boston, it is 6:00 AM in Las Vegas.

When is the best time to call Las Vegas 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 Las Vegas), when both places are in normal office hours.

Does the time difference between Boston and Las Vegas change?

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

Boston is 3 hours ahead of Las Vegas. More: time in Boston · time in Las Vegas