How calendar publishing
actually works.

How feeds work. What edits cost. Why subscribers stay subscribed.

Foundations

How calendar feeds work under the hood. Start here.

4 min read

What Is an ICS File? The Calendar Format, Explained

An ICS file is the plain-text format every calendar app understands. What's inside one, how to open it, and the difference between importing a file and subscribing to a link.

4 min read

How calendar subscriptions work

Why pasting a calendar link into Apple or Google is different from saving a calendar file once.

3 min read

How often Google and Apple Calendar update subscribed calendars

Google Calendar updates subscribed calendars every 12 to 24 hours. Apple checks about hourly, Outlook 1 to 4 hours. How to get urgent changes through faster.

6 min read

RRULE explained: syntax, examples, and common patterns

The RRULE format in plain English, with copy-paste strings for common patterns: every Monday, first Monday of the month (BYDAY=1MO), every two weeks (INTERVAL=2).

For parents

Kid sports, school events, custody schedules.

5 min read

Shared Family Calendar App for Parents

A shared family calendar app built for parents who publish kid sports, school, and custody schedules. One link, live updates, no app installs for subscribers.

8 min read

Best Shared Calendar App for Every Use

Not every shared calendar app works the same way. Which apps suit families who all edit, and which suit publishers broadcasting a schedule to subscribers.

3 min read

rSchoolToday Calendar Feed: Subscribe from the Activity Scheduler

How to subscribe to an rSchoolToday calendar feed from the Activity Scheduler, and how to combine several sports or teams into one link with Calfeed.

3 min read

Arbiter Sports Schedule on a Phone Calendar

How to get an Arbiter sports schedule onto a phone: request the calendar feed link by email, subscribe once, and combine several teams into one link with Calfeed.

3 min read

EventLink Calendar Feed: Subscribe or Combine Teams

How to find an EventLink calendar feed link and subscribe to it, plus how to combine several EventLink team calendars into one link with Calfeed.

For instructors & coaches

Class series, training programs, recurring sessions.

5 min read

Class Schedule App for Instructors

Post a class schedule once as a live link. Students subscribe in Apple, Google, or Outlook. Edits show up on their calendars automatically, no texts needed.

5 min read

How to charge for a calendar subscription

Most creators give the schedule away because they assume it has no price. Here is when a calendar is worth paying for.

For organizers & publishers

Getting a calendar onto 30 phones cleanly, season after season.

4 min read

How to share a calendar with a group

Group calendar pattern for organizers: publish one link, 30 people subscribe, edit once, everyone sees it. PTA, clubs, congregations, volunteer rotations.

4 min read

How to share a camp schedule with parents

Camp directors: publish one calendar link parents subscribe to. Edit once when an activity moves and every subscribed phone picks up the change. No app, no account, no new PDF.

4 min read

When to edit a calendar vs publish a new one

The rule of thumb is simple. Same audience equals same calendar. Different audience equals new calendar.

5 min read

Embed a Calendar on a Website

Embed a subscribable calendar on any website. One iframe, auto-resizes, updates when you edit. Works in WordPress, Squarespace, Webflow, and Notion.

Combine calendars

Feeds from different apps or platforms. One combined link instead of several.

4 min read

Merge Outlook Calendars Into One View (or One Shareable Link)

Merge Outlook calendars into one view with Overlay Mode, bring a Google calendar in alongside them, and merge the feeds into one link that works outside Outlook too.

3 min read

How to Merge Google Calendars (Two Accounts, or Google and Apple)

Merge Google calendars inside one account, pull in a calendar from a second Google account, get Google events into Apple Calendar on iPhone, or combine them all into one link.

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