Custody schedule calculator
Build a parenting calendar
Choose a common custody schedule, set the starting parent and date, then preview the month with overnights and parenting-time percentages.
Schedule preview
This is a planning preview. Recreate or draft your chosen rotation in Duet; the website does not automatically import it into the app.
Keep both homes working from the same plan
Bring parenting days, holidays and family events together with chats, tasks and shared expenses in Duet.
Start with a free private calendar. Duet Shared adds sharing with a monthly or yearly subscription. Your invited co-parent needs no second subscription.
iPhone and iPad ยท iOS/iPadOS 26+
How to use this custody calendar calculator
Start with the date the repeating pattern begins and assign the first overnight to the first parent. The preview fills the full month around that anchor date, counts overnights, and estimates each parent's share of parenting time for that month.
Pros
- Fast way to compare several common parenting schedule templates.
- Useful for spotting handoff rhythm before putting dates into an app.
- PDF export gives both homes a simple one-month reference.
Watchouts
- Holiday rules, school breaks, and exceptions can change the regular rotation.
- This is a planning tool, not legal advice or a court record.
- Confirm any schedule against your actual parenting plan before relying on it.
Keep the schedule live after you build it
Start free, then keep custody days, holidays, handoffs, and shared events in one private iPhone calendar.
Keep the plan together
From a schedule to everyday coordination
Use Duet to review parenting-day changes, keep school details with tasks, and track shared costs alongside your calendar.