WY Family LawUpdated for 2026 Guidelines

Wyoming Parenting Time & Custody Overnight Calculator

Calculate custody overnights, determine annual percentage split, and verify statutory qualification for child support reductions under Wyo. Stat. § 20-2-304(c).

Direct Answer · Custody Statutory Rule (2026)

In Wyoming: Parenting time directly reduces child support obligations when a non-custodial parent reaches 146 overnights per year (40% timeshare) under Wyo. Stat. § 20-2-304(c). The court calculates relief using the joint physical custody formula (wyo. stat. § 20-2-304(c)). Standard rotational schedules such as 2-2-3 (182 nights) qualify for full shared-custody adjustments.

Statutory Citation: Wyo. Stat. § 20-2-304(c)Judicial Authority: Wyoming Family Court GuidelinesLast Verified: October 2026

Parenting Time & Custody Overnight Calculator

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

Jurisdiction / State:

1. Select Parenting Schedule Pattern:

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

Summer Extra Nights:Additional summer block

Holiday Extra Nights: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%

⚠️Wyoming Statutory Threshold: 146 Nights (40%)

Below Threshold. Current schedule provides 52 overnights, which is 94 nights short of the 146-night threshold for Wyoming. Standard sole custody support applies without automatic time-sharing discount.

Statutory Legal Reference: Wyo. Stat. § 20-2-304(c) — Joint Physical Custody Formula (Wyo. Stat. § 20-2-304(c)). In Wyoming, overnights are counted under the following rule: Under Wyoming law, joint physical custody occurs when each parent keeps the child for at least 40% of the year (at least 146 overnights).

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Wyoming Legal Guidelines on Custody Overnights

Statutory Threshold

146 Overnights

Equal to 40% of annual parenting time

Legal Methodology

Joint Physical Custody Formula (Wyo. Stat. § 20-2-304(c))

Governed by Wyo. Stat. § 20-2-304(c)

Official Overnight Counting Rule in Wyoming

Under Wyoming law, joint physical custody occurs when each parent keeps the child for at least 40% of the year (at least 146 overnights).

Standard Default Possession Schedule

Alternating weekends, alternating holidays, and 4 weeks summer (~80–90 overnights).

Court Evidence & Verification Checklist for Wyoming

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

Document long-distance seasonal travel across Wyoming counties.
Maintain an unbroken custody calendar.
Save receipts for child supplies.

Wyoming Custody Overnights FAQ

What is Wyoming's 146-overnight threshold for child support?

Under Wyo. Stat. § 20-2-304(c), shared custody rules trigger when each parent has the child for at least 146 overnights (40%).

How is child support calculated for joint custody in Wyoming?

Basic child support is multiplied by 1.5, apportioned between parents based on income, and then cross-offset based on overnight percentages.

Data sources & methodology

Wyoming Statutory AuthorityWyo. Stat. § 20-2-304(c) — Official state guideline schedule and parenting time rules.
NCSL Custody GuidelinesNational Conference of State Legislatures — Shared Physical Custody and Parenting Time Models.
Wyoming 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.