Privacy
Your dates are calculated in this browser. They are not sent to a server, stored in an account or saved in local storage. Reloading the page resets the converter.
Copy writes the displayed dates to your device’s clipboard only when you press the button. No identity documents, photographs or names are requested.
Advertising and external services
No third-party advertising or separate analytics scripts are enabled on this version.
Contact
For privacy questions, contact: [email protected]
The hosting provider may keep technical request logs such as IP addresses; these do not contain the dates you enter.
Updated: 23 October 2026.