Calculator inputs
Our calculators run in your browser. Inputs are not submitted to an application database. Choosing Save stores a schedule in this browser’s local storage. You can delete it with the Delete saved plan button. Clearing browser data also removes it.
Hosting and links
The web host may process request metadata, including IP address and requested URLs, for delivery and security. External source links lead to third-party websites with their own policies.
Analytics, advertising and email
This launch build does not include advertising scripts, analytics trackers or email reminders. We will update this policy and any required consent controls before adding those services. Browser-local calendar downloads do not send email.
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Published October 4, 2026 · SepticHow editorial team