LA Family LawUpdated for 2026 Guidelines

Louisiana Parenting Time & Custody Overnight Calculator

Calculate custody overnights, determine annual percentage split, and verify statutory qualification for child support reductions under La. R.S. § 9:315.9.

Direct Answer · Custody Statutory Rule (2026)

In Louisiana: Parenting time directly reduces child support obligations when a non-custodial parent reaches 146 overnights per year (40% timeshare) under La. R.S. § 9:315.9. The court calculates relief using the shared custody worksheet b (la. r.s. § 9:315.9). Standard rotational schedules such as 2-2-3 (182 nights) qualify for full shared-custody adjustments.

Statutory Citation: La. R.S. § 9:315.9Judicial Authority: Louisiana 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%

⚠️Louisiana Statutory Threshold: 146 Nights (40%)

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

Statutory Legal Reference: La. R.S. § 9:315.9 — Shared Custody Worksheet B (La. R.S. § 9:315.9). In Louisiana, overnights are counted under the following rule: Shared custody requires each parent to have physical custody for an approximately equal amount of time or at least 146 overnights per year.

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Louisiana Legal Guidelines on Custody Overnights

Statutory Threshold

146 Overnights

Equal to 40% of annual parenting time

Legal Methodology

Shared Custody Worksheet B (La. R.S. § 9:315.9)

Governed by La. R.S. § 9:315.9

Official Overnight Counting Rule in Louisiana

Shared custody requires each parent to have physical custody for an approximately equal amount of time or at least 146 overnights per year.

Standard Default Possession Schedule

Alternating weekends, alternating holidays, and 2-4 weeks summer (~80–90 overnights).

Court Evidence & Verification Checklist for Louisiana

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

Maintain an unbroken custody calendar.
Keep school report card records and parent-teacher conference confirmations.
Save receipts for child supplies.

Louisiana Custody Overnights FAQ

When does Louisiana Worksheet B apply?

Under La. R.S. 9:315.9, Worksheet B applies when parents share physical custody for approximately equal periods (typically 40% or 146+ overnights).

Can Louisiana courts refuse to use Worksheet B for 50/50 custody?

Yes, if the court finds that applying Worksheet B would cause severe hardship or fail to support the child adequately in one parent's home.

Data sources & methodology

Louisiana Statutory AuthorityLa. R.S. § 9:315.9 — Official state guideline schedule and parenting time rules.
NCSL Custody GuidelinesNational Conference of State Legislatures — Shared Physical Custody and Parenting Time Models.
Louisiana 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.