What Is a “Calendar Year” in Arizona Law? (ARS §13-105)

Maricopa Superior Court calendar with judge’s gavel in Scottsdale, Arizona

Why “Calendar Year” Matters in Criminal Charges and Sentencing

Under ARS §13-105, a “calendar year” is defined as:

A period of twelve consecutive months beginning January 1 and ending December 31.

Although this definition seems straightforward, it has important implications in criminal law.

How “Calendar Year” Is Used in Legal Cases

Arizona law often uses the calendar year to:

  • Measure repeated offenses
  • Determine penalty enhancements
  • Evaluate patterns of behavior within a fixed timeframe
Why Timing Can Change Everything

The distinction of a calendar year can significantly impact a case:

  • Offenses in December and January may count separately
  • Repeated acts must occur within the same calendar year to trigger certain penalties
  • Financial crimes may be assessed based on activity during a defined year

Example:
If a law increases penalties for multiple offenses within one calendar year, an incident on December 31 and another on January 1 may be treated as occurring in two separate years.

Legal Strategy and Defense Considerations

Understanding how timeframes are applied can open the door to strategic defenses, including:

  • Arguing that incidents fall outside the same calendar year
  • Challenging enhancements based on improper timelines
  • Clarifying how conduct is grouped or separated

At Rideout Law Group, we analyze every detail—including timing—to build the strongest possible defense for our clients.


📞 Scottsdale Office: (480) 584-3328
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This blog post is for informational purposes only and does not constitute legal advice. Reading this content does not create an attorney-client relationship. For legal guidance specific to your situation, please contact a licensed attorney at Rideout Law Group.

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