> Day.js is a lightweight JavaScript date library: what it does on a website, why it sets no cookies and why it raises no GDPR consent issue by itself. > > Canonical: https://www.flowconsent.com/en/services/framework/day-js Frameworks # Day.js Unclassified · [Official website](https://github.com/iamkun/dayjs) Day.js is a lightweight open-source JavaScript library for parsing, validating, manipulating and formatting dates, with an API similar to Moment.js. It is bundled into a site's code and runs entirely in the visitor's browser. As a utility library, it does not set cookies or send any data to a third party. [Block Day.js until consent](https://app.flowconsent.com/auth/sign-up?utm_source=flowconsent.com\&utm_medium=referral\&utm_campaign=framework) · [Scan my site](https://www.flowconsent.com/en/scan) At a glance - Category [Frameworks](https://www.flowconsent.com/en/services/framework) - Consent Unclassified - Prior consent Required - Documented cookies 0 Compliance ## Day.js and the GDPR Day.js is classified as “Unclassified”. On a site that targets European visitors, it must only load after the visitor consents, and it must be listed in your cookie policy. Cookies and trackers ## What Day.js sets and contacts The cookies of Day.js are not documented in the catalog yet. To see what is actually set on your site, run a free scan. 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