NH Family LawUpdated for 2026 Guidelines

New Hampshire Parenting Time & Custody Overnight Calculator

Calculate custody overnights, determine annual percentage split, and verify statutory qualification for child support reductions under N.H. Rev. Stat. Ann. § 458-C:5(I)(h)(1).

Direct Answer · Custody Statutory Rule (2026)

In New Hampshire: Parenting time directly reduces child support obligations when a non-custodial parent reaches 128 overnights per year (35% timeshare) under N.H. Rev. Stat. Ann. § 458-C:5(I)(h)(1). The court calculates relief using the equal or approximately equal sharing special circumstance deviation. Standard rotational schedules such as 2-2-3 (182 nights) qualify for full shared-custody adjustments.

Statutory Citation: N.H. Rev. Stat. Ann. § 458-C:5(I)(h)(1)Judicial Authority: New Hampshire 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%

⚠️New Hampshire Statutory Threshold: 128 Nights (35%)

Below Threshold. Current schedule provides 52 overnights, which is 76 nights short of the 128-night threshold for New Hampshire. Standard sole custody support applies without automatic time-sharing discount.

Statutory Legal Reference: N.H. Rev. Stat. Ann. § 458-C:5(I)(h)(1) — Equal or Approximately Equal Sharing Special Circumstance Deviation. In New Hampshire, overnights are counted under the following rule: Overnights are counted where the child sleeps. Equal sharing occurs when the child resides with each parent approximately equal time.

Need Full Monthly Dollar Figures for New Hampshire?

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

Open New Hampshire Support Calculator →

New Hampshire Legal Guidelines on Custody Overnights

Statutory Threshold

128 Overnights

Equal to 35% of annual parenting time

Legal Methodology

Equal or Approximately Equal Sharing Special Circumstance Deviation

Governed by N.H. Rev. Stat. Ann. § 458-C:5(I)(h)(1)

Official Overnight Counting Rule in New Hampshire

Overnights are counted where the child sleeps. Equal sharing occurs when the child resides with each parent approximately equal time.

Standard Default Possession Schedule

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

Court Evidence & Verification Checklist for New Hampshire

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

Maintain an unbroken custody calendar.
Keep school transportation and attendance records.
Retain co-parenting text logs.

New Hampshire Custody Overnights FAQ

Does New Hampshire law provide an automatic formula for 50/50 custody?

No. New Hampshire RSA 458-C does not have an automatic mathematical shared custody offset. The court may grant a downward deviation if equal sharing creates financial disparity.

What factors must a New Hampshire court consider for a shared care deviation?

The court examines whether both households incur substantial fixed child-rearing costs and whether a deviation would impair the other parent's ability to maintain housing.

Data sources & methodology

New Hampshire Statutory AuthorityN.H. Rev. Stat. Ann. § 458-C:5(I)(h)(1) — Official state guideline schedule and parenting time rules.
NCSL Custody GuidelinesNational Conference of State Legislatures — Shared Physical Custody and Parenting Time Models.
New Hampshire 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.