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See all of United States (EST)

Time in Round Rock, United States now

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EST Several time zones UTC-6 No DST
Country Flag - the United States Thirteen horizontal stripes of red and white with a blue rectangle in the top left corner containing 50 white stars.

Round Rock

Arizona, United States

21 Jun 2026

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United States: common questions

What is the current time in Round Rock, Arizona?

Round Rock uses Mountain Time (MT) (America/Denver), which is UTC-6 from Coordinated Universal Time (UTC). The city observes daylight saving time seasonally.

Does Round Rock observe Daylight Saving Time?

Yes, Round Rock observes daylight saving time. Clocks spring forward and fall back with the rest of Arizona, United States.

What is the time difference between Round Rock and major cities?

New York (EST/EDT): Round Rock is 2 hours ahead of New York.

Chicago (CST/CDT): Round Rock is 1 hour ahead of Chicago.

Los Angeles (PST/PDT): Round Rock is 1 hour behind Los Angeles.

What region is Round Rock in?

Round Rock is in Arizona. See other cities in the state via the location links on this page.

What is Round Rock known for?

Round Rock is a populated place in Arizona, United States, using Mountain Time (MT) (UTC-6) for local civil time. Coordinates: 36.51306°N, -109.47344°E.