Daylight Savings Time

Arizona State Library, Archives & Records COVID-19 Response – Temporarily suspending all in-person services, while maintaining our statutory responsibilities

  • Our number one goal is to keep the public and our employees safe
  • The situation related to COVID-19 is rapidly developing, as is the response from this office and the state. Please check back regularly for updates
  • We are committed to providing continuity of services while reducing exposure risks
  • In-person trainings for ALL divisions are on hold until further notice. Divisions will hold trainings by webinar as needed.
  • Department staff will attend community meetings virtually or by phone, when available.
  • Services impacted:
    • In-person Patent and Trademark Resource Center consultations
    • The Arizona Capitol Museum is closed until further notice.
    • In-person retrieval and immediate checkout of materials to patrons of Arizona Talking Book Library
    • Walk-in reference service for Archives & the Research Library

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Time Zone

Arizona is on Mountain Standard Time. Arizona does not observe Daylight Savings, with the exception of the Navajo Nation. Arizona previously observed Daylight Savings beginning in 1918, but made the permanent change to Standard time in 1968.

Time zones in the United States developed in the mid-nineteenth century to accommodate railroad schedules, which required standardizing time across the nation. Before the adoption of time zones, local communities each observed their own time schedules.