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AZ Family LawUpdated for 2026 Guidelines

Arizona Parenting Time & Custody Overnight Calculator

Calculate custody overnights, determine annual percentage split, and verify statutory qualification for child support reductions under A.R.S. § 25-320 & Arizona Child Support Guidelines § 11.

Direct Answer · Custody Statutory Rule (2026)

In Arizona: Parenting time directly reduces child support obligations when a non-custodial parent reaches 3 overnights per year (1% timeshare) under A.R.S. § 25-320 & Arizona Child Support Guidelines § 11. The court calculates relief using the statutory parenting time credit table (12 tiers). Standard rotational schedules such as 2-2-3 (182 nights) qualify for full shared-custody adjustments.

Statutory Citation: A.R.S. § 25-320 & Arizona Child Support Guidelines § 11Judicial Authority: Arizona Family Court GuidelinesLast Verified: October 2026

Parenting Time & Custody Overnight Calculator

Calculate annual overnights, time-sharing percentage, and state child support adjustment qualification.

2 nights every other weekend across 26 fortnights = 52 overnights/yr (14.2%).

Additional summer block
Thanksgiving / Winter break

Annual Time-Sharing Breakdown

Parent A (Non-Custodial)
52 nights
14.2%
Parent B (Primary)
313 nights
85.8%
Parent A: 14.2%Parent B: 85.8%
✓Arizona Statutory Threshold: 3 Nights (1%)
Qualified! Your schedule of 52 nights meets or exceeds the Arizona statutory threshold (3 nights). The court or child support agency applies: Statutory Parenting Time Credit Table (12 Tiers).
Statutory Legal Reference: A.R.S. § 25-320 & Arizona Child Support Guidelines § 11 — Statutory Parenting Time Credit Table (12 Tiers). In Arizona, overnights are counted under the following rule: A period of 12 or more continuous hours counts as one full day. A period of 6 to 11 continuous hours counts as a half-day. Time spans are totaled across 365 days.

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Calculate net payments using Arizona's official child support schedule, health insurance add-ons, and income deductions.

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Arizona Legal Guidelines on Custody Overnights

Statutory Threshold
3 Overnights
Equal to 1% of annual parenting time
Legal Methodology
Statutory Parenting Time Credit Table (12 Tiers)
Governed by A.R.S. § 25-320 & Arizona Child Support Guidelines § 11

Official Overnight Counting Rule in Arizona

A period of 12 or more continuous hours counts as one full day. A period of 6 to 11 continuous hours counts as a half-day. Time spans are totaled across 365 days.

Standard Default Possession Schedule

Equal parenting time (5-2-2-5 or 2-2-3) is common. Traditional schedule provides alternating weekends and mid-week dinner (~80 overnights).

Court Evidence & Verification Checklist for Arizona

If you are requesting or defending against a child support reduction in Arizona family court based on shared physical care, prepare the following evidence:

  • Keep certified records of school drop-offs and after-school childcare sign-outs.
  • Use a court-approved co-parenting app (e.g., OurFamilyWizard or TalkingParents) to track check-ins.
  • Log doctor and dental visits attended during your parenting window.

Arizona Custody Overnights FAQ

How does Arizona calculate the parenting time credit?

Arizona uses a 12-tier statutory table. Credit begins at just 3 days (1.2% reduction) and scales incrementally up to 173–182 days (50% adjustment against the basic obligation).

Do half-days count toward the Arizona parenting time adjustment?

Yes. Periods of 6 to 11 consecutive hours count as a half-day, which can be combined to reach higher tiers on the statutory credit table.

Data sources & methodology

  • Arizona Statutory AuthorityA.R.S. § 25-320 & Arizona Child Support Guidelines § 11 — Official state guideline schedule and parenting time rules.
  • NCSL Custody GuidelinesNational Conference of State Legislatures — Shared Physical Custody and Parenting Time Models.
  • Arizona Family Court RulesLocal standard possession schedules, overnight definitions, and administrative calculation forms.

Methodology and citations are maintained by the ChildSupportFig editorial team. Where an official guideline schedule is not yet loaded, results are shown as model estimates and the source is stated as a reference schedule.

Not legal or financial advice. Child support is determined by a court based on your state’s official worksheet. Online estimators provide an informal planning figure only. Laws change — always confirm the current guideline with your state child support agency or a licensed family law attorney in your state before relying on any number.

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