--- title: iCalendar, CalDAV & Elixir | daily.dev description: A practical guide to iCalendar format and CalDAV protocol, with an introduction to an open-source Elixir CalDAV client library. Covers iCalendar structure... canonical: https://daily.dev/posts/icalendar-caldav-elixir-vqnimwh6k twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: iCalendar, CalDAV & Elixir | daily.dev og:description: A practical guide to iCalendar format and CalDAV protocol, with an introduction to an open-source Elixir CalDAV client library. Covers iCalendar structure... og:url: https://daily.dev/posts/icalendar-caldav-elixir-vqnimwh6k og:image: https://api.daily.dev/og/posts/VQNImwH6k.png og:image:alt: iCalendar, CalDAV & Elixir og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # iCalendar, CalDAV & Elixir **[Software Mansion](https://daily.dev/sources/swmansion)** · 10 min read · 0 upvotes · 0 comments ## Summary A practical guide to iCalendar format and CalDAV protocol, with an introduction to an open-source Elixir CalDAV client library. Covers iCalendar structure (VEVENT, RRULE for recurring events, full-day events, timezone handling), CalDAV protocol basics (URL structure, HTTP methods, authentication), and demonstrates how to use the elixir-caldav-client library to create, list, and manage calendar events on remote servers like iCloud. Includes tips on datetime/timezone best practices in Elixir and a working demo connecting to iCloud Calendar. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [JMAP for Calendars, Contacts and Files now in Stalwart](https://daily.dev/posts/jmap-for-calendars-contacts-and-files-now-in-stalwart-metb2tbal) · Hacker News · 0 upvotes · 0 comments - [How I fell in love with calendar.txt](https://daily.dev/posts/how-i-fell-in-love-with-calendar-txt-rpr9ytnob) · Lobsters · 118 upvotes · 12 comments - [GitHub - calcom/cal.diy: Scheduling infrastructure for absolutely everyone.](https://daily.dev/posts/github---calcom-cal-diy-scheduling-infrastructure-for-absolutely-everyone--cutxatwvc) · Hacker News · 88 upvotes · 4 comments --- Tags: [#elixir](https://daily.dev/tags/elixir) [View this post on daily.dev](https://daily.dev/posts/icalendar-caldav-elixir-vqnimwh6k) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"iCalendar, CalDAV & Elixir","url":"https://daily.dev/posts/icalendar-caldav-elixir-vqnimwh6k","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/icalendar-caldav-elixir-vqnimwh6k"},"datePublished":"2026-08-02T07:15:59.098Z","dateModified":"2026-08-02T07:43:35.459Z","description":"A practical guide to iCalendar format and CalDAV protocol, with an introduction to an open-source Elixir CalDAV client library. 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