matsuoshi

export the posts schedules as iCal format.
iCal URL is: 
 http://YOUR-WP-ADDRESS/postical
<ul>
<li>GitHub: <a href="https://github.com/matsuoshi/wp-postical" rel="nofollow ugc">https://github.com/matsuoshi/wp-postical</a></li>
<li>WordPress plugin page: <a href="https://wordpress.org/plugins/postical/" rel="ugc">https://wordpress.org/plugins/postical/</a></li>
</ul>

postical (iCal exporter)

Postical; export the posts schedules as iCal format.

Derek

WordPress plugin to generate iCalendar files from Event posts.
This plugin allows for the import of the WordPress Event posts into into Google Calendar, Apple iCal, Android Calendar, Microsoft Outlook, etc.
This plugin is specifically aligned with the Churchope WordPress Theme; though it could be adapted for other themes as well.
This plugin should work on PHP 5.3.x or greater.
When the plugin is activated, it will register at https://yoursite.com/feed/events-ical
If you have changed the path to feeds in your WordPress installation, replace /feed/ with the correct path to your feeds.

CHURCHOPE Theme iCal Generator

WordPress plugin for the Churchope theme to generate iCalendar files from the calendar so that they can be imported in another calendar application.

postical (iCal exporter) vs CHURCHOPE Theme iCal Generator