New Mexico Parenting Time Calculator

New Mexico calculates parenting time by dividing total hours with each parent by 24 to determine the number of days, then calculating the percentage of 365 annual days. Courts count 24-hour periods, which do not need to be consecutive overnights. For example, 128 overnights equals approximately 35% parenting time, while 182.5 overnights equals 50%. New Mexico courts typically rely on estimates rather than exact counts when determining timeshare percentages for child support calculations.

In New Mexico, shared custody (called 'shared responsibility') requires each parent to have at least 35% of parenting time annually—approximately 128 overnights per year or about 10 days per month. Under NMSA § 40-4-11.1, reaching this 35% threshold qualifies parents for Worksheet B child support calculations, which account for duplicated housing costs and typically reduce the higher-earning parent's obligation compared to sole custody arrangements.

A 2-2-3 custody schedule in New Mexico rotates children between parents every few days: Parent A has Monday-Tuesday, Parent B has Wednesday-Thursday, and weekends alternate. This schedule provides exactly 50% parenting time to each parent (182.5 overnights annually), well above New Mexico's 35% shared custody threshold. New Mexico courts favor this arrangement for families where both parents live nearby and children benefit from frequent contact with both households.

Parenting time directly impacts New Mexico child support calculations under the income shares model. Parents with less than 35% timeshare use Worksheet A, while those with 35% or more use Worksheet B, which includes a shared parenting adjustment. As parenting time increases toward 50%, child support obligations typically decrease because both parents bear direct childcare costs. The 35% threshold can affect support by thousands of dollars annually.

Yes, New Mexico allows parenting plan modifications under NMSA § 40-4-9.1, but you must prove a substantial and material change in circumstances affecting the child's welfare since the original order. Examples include relocation, significant work schedule changes, recovery from addiction, or safety concerns. If both parents agree, they can file a signed, notarized modification with the court. If parents disagree, the requesting parent must file a motion and prove the change serves the child's best interests.

New Mexico's Court Clinic Guide recommends toddlers (ages 1-3) have regular overnight visits with the non-primary parent 1-3 times per week, with visits kept to single overnights until the child reaches elementary school age. For minimally involved parents, the Guide suggests starting with 2-4 hours per day, 3-5 days per week for children under three. Frequent, consistent contact helps toddlers bond with both parents while maintaining the security they need at this developmental stage.

New Mexico parenting plans should specify holiday divisions, though state law does not mandate a particular format. Common approaches include alternating holidays annually (Thanksgiving with Parent A in odd years, Parent B in even years), splitting the holiday day itself if parents live nearby, or permanently assigning certain holidays (Mother's Day always with mom, Father's Day always with dad). Winter and spring breaks typically split in half, with vacation time requiring advance notice to the other parent.

First right of refusal is a parenting plan provision requiring a parent to offer childcare time to the other parent before using a third-party caregiver during their scheduled parenting time. While not required by New Mexico statute, many parents include this clause to maximize time with their children. For example, if Parent A needs a babysitter for an evening out, they must first offer Parent B the opportunity to care for the child. This applies to planned events and last-minute situations alike.