GotMoonEffective September 2026
The cycle calculator
The calculator runs entirely in your browser. The dates and cycle details you enter are never sent to us, stored on a server, or saved on your device. When you close or reload the page, they're gone.
Information collected automatically
Our hosting provider may log basic technical information such as IP address, browser type, and pages visited, for security and to keep the site running. If we add analytics, we'll use them only to understand overall traffic, and we'll update this policy.
Affiliate links
When you click a link to Amazon or another retailer, that site may use cookies to track the referral so we can earn a commission. Their privacy policies apply once you're on their site.
If you email us, we use your message only to reply.
Children
This site is intended for adults. We don't knowingly collect information from anyone under 18.