4-3 Custody Schedule (60/40): A Predictable Weekly Pattern

A 4-3 custody schedule is a weekly pattern where the kids spend four nights with one parent and three with the other — the same nights, every single week. There is no two-week cycle to track and no A-week/B-week to memorize: the rhythm resets every seven days. Over a fortnight that is 8 overnights against 6, which works out to roughly a 57/43 split (often rounded to 60/40 on paper). Deliberately, it is not 50/50 — one parent carries a slight majority of the time, and that small tilt is the whole point of the schedule.

The generator below builds a print-ready 4-3 calendar you can stick on the fridge. Set each parent's name and color, pick the day the four-night block starts, and print or save it as a PDF. It runs entirely in your browser — nothing is uploaded or stored.

The fixed weekly layout, worked out

Because the cycle is exactly seven days, a 4-3 schedule fits on a single line you can read off the fridge. The four-night parent usually anchors the school week — Monday through Thursday is the most common block, since school-morning routines (lunches, homework, the bus) are easier to keep steady from one home. The other parent then takes Friday, Saturday and Sunday, turning their shorter block into the weekend the kids look forward to. Here is the standard version:

Only two handoffs happen the entire week — Thursday and Monday — which is one of the calmest exchange counts of any shared schedule. If the family would rather the majority parent get the weekends, you flip the block: Friday through Monday becomes the four-night side and Tuesday through Thursday the three-night side. Either way the schedule is fixed, so "Thursdays are Dad's last night" is true this week, next week and every week after.

What a 57/43 split actually means off the calendar

The time math is simple but it ripples outward. Four nights against three is 8 vs 6 overnights per fortnight, or about 208 nights a year for the majority parent and 157 for the other. That difference is small enough to feel almost equal day to day, but large enough to matter in two places co-parents often forget until later:

• Holidays and school breaks. A weekly 4-3 says nothing about Christmas, spring break or a child's birthday. Left alone, the base pattern would just hand every holiday to whichever parent "owns" that weekday — which is why most 4-3 agreements bolt on a separate holiday schedule that alternates or splits the big dates evenly, on top of the regular rotation.
• Child support and tax treatment. In many jurisdictions the overnight count is exactly what drives support calculations and which parent may claim the child. A 57/43 split is usually treated very differently from a 50/50 one, so the extra 50-odd nights a year the majority parent has can change the numbers. Confirm how your local guidelines count overnights before you assume "it's basically equal."

None of this makes 4-3 harder to run — it just means the split is real, not cosmetic. For context on how common near-equal arrangements have become, see our breakdown of how separated families divide time.

When a slightly unequal split is the right call

It is tempting to read 4-3 as "50/50 that someone lost." Often it is the opposite — a deliberate, healthier fit than forcing an even split. A 4-3 is the right call when:

• One home is simply better suited to weekdays. If only one parent lives inside the school catchment, or works hours that cover the after-school window, concentrating the school nights there removes a daily logistics headache instead of splitting it in half.
• The kids are young and need short, frequent contact. Four-and-three keeps both parents in the picture every few days without the long stretches away that a week-on/week-off schedule creates.
• You want equal time eventually but not yet. A 4-3 lets a parent who has been less hands-on ramp up to substantial, regular nights and prove the routine works — a genuine stepping stone rather than a consolation prize.

Choosing 4-3 on purpose because one home fits weekdays better is not a compromise failure; it is matching the schedule to the family you actually have.

How to decide which parent gets the four nights

The four-night parent carries the heavier, less glamorous load: school mornings, homework, packed lunches, the weeknight bedtime grind. So the question is less "who deserves more time" and more "whose home makes the school week run smoothly." Weigh these honestly:

• Proximity to school. Shorter commute, easier mornings — the closer home is the natural weekday base.
• Weekday work schedule. Whoever can reliably do drop-off, pickup and be present on weeknights should usually hold those nights.
• Homework and activity support. The weekday parent supervises most of the school workload and midweek practices, so the home better set up for that is the stronger candidate.
• What the kids get on the other side. Handing the three-night parent Friday–Sunday means their shorter block is protected, undistracted weekend time — often a fair trade for fewer total nights.

Growing a 4-3 into 50/50 later

One of the quiet strengths of 4-3 is how little has to change to reach an even split. You are only one night apart. The most common path is to add a midweek overnight for the three-night parent — turning the arrangement into a repeating 3-4-4-3 (equal 50/50) schedule, where each parent alternates three- and four-night weeks so the fortnight comes out to 7 nights each. Because your family is already living the same-days-every-week discipline, the jump feels small: the kids keep the homes, the colors and most of the routine they know, and only one weeknight moves. Run the 4-3 until the handoffs are boring and the lighter-time parent's weeknights are working, then step up — evolving into equal time from a stable base tends to stick far better than starting at 50/50 cold.

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