Orthodox Calendar
Displays the Orthodox Calendar from Holy Trinity Orthodox Church in English or Russian.
Solid choice
Orthodox Calendar is a solid plugin choice in 2026, with a few things worth checking first. It runs on 60+ sites and was last updated 2 weeks ago, and scores 68/100 on our health check.
- Actively developed β last update 2 weeks ago
- Tested with the latest WordPress (7.1)
- Small user base (60+ active installs)
- Very few reviews so far
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release β each site that auto-updates counts as a download.
Rankings
Where Orthodox Calendar stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| calendar | >100 |
| christian | #18 |
| church | #38 |
| orthodox | #1 |
| russian | >100 |
Version adoption
Share of active sites per release.
About Orthodox Calendar
From the official readme Β· v1.3.0Description
Orthodox Calendar displays daily Orthodox calendar information from Holy Trinity Orthodox Church.
The plugin language is selected by an administrator in Settings > Orthodox Calendar. The selected language determines the calendar service URL, remote endpoint, widget title, and navigation messages.
English configuration:
- Title: Orthodox Calendar
- Site: https://www.holytrinityorthodox.com/calendar/
- Remote endpoint: https://www.holytrinityorthodox.com/calendar/calendar2.php
Russian configuration:
- Title: ΠΡΠ°Π²ΠΎΡΠ»Π°Π²Π½ΡΠΉ ΠΊΠ°Π»Π΅Π½Π΄Π°ΡΡ
- Site: https://www.holytrinityorthodox.com/ru/calendar/
- Remote endpoint: https://www.holytrinityorthodox.com/ru/calendar/calendar2.php
The Russian remote endpoint is normalized to HTTPS.
Features include:
- English or Russian language selection as a plugin option.
- Display the current day’s Orthodox Calendar.
- Navigate to the previous day.
- Return to today’s date.
- Navigate to the next day.
- Uses the WordPress HTTP API.
- Uses the WordPress AJAX API.
- Sanitizes and validates incoming data.
- Escapes output according to WordPress coding standards.
- Uses a strict HTML allowlist for remote content.
- Validates remote links and images against the selected Holy Trinity calendar path.
- Converts the remote Windows-1251 calendar response to UTF-8.
- Uses WordPress transients to reduce remote requests.
Installation
- Upload the
orthodox-calendarfolder to the/wp-content/plugins/directory. - Activate the plugin through the WordPress Plugins screen.
- Go to Settings > Orthodox Calendar and choose English or Russian.
- Go to Appearance > Widgets and add the “Orthodox Calendar” widget to a sidebar.
Frequently asked questions
How do I choose the language?
Go to Settings > Orthodox Calendar and select English or Π ΡΡΡΠΊΠΈΠΉ. English is the default.
Does the plugin use file_get_contents()?
No. The plugin uses the WordPress HTTP API with wp_remote_get().
Is calendar information cached?
Yes. Calendar responses are sanitized and cached temporarily using the WordPress Transients API. English and Russian responses use separate cache keys.
Does the remote calendar use Windows-1251?
Yes. The remote calendar response is converted from Windows-1251 to UTF-8 before sanitization and display.
Changelog
Adds administrator-controlled English/Russian calendar selection and language-specific Holy Trinity Orthodox Calendar endpoints.
1.3.0
- Added English/Russian language selection as a WordPress plugin option.
- Added Settings > Orthodox Calendar.
- Added language-specific calendar site URLs and remote endpoints.
- Added English and Russian widget titles and navigation messages.
- Added language to transient cache keys.
- Added strict URL path validation for the selected calendar language.
- Preserved the WordPress HTTP API and AJAX architecture.
- Preserved the strict remote HTML allowlist and output escaping.
- Preserved Windows-1251 to UTF-8 conversion.
1.2.0
- Modernized plugin structure.
- Replaced deprecated plugin path constants.
- Replaced direct remote requests with the WordPress HTTP API.
- Removed
file_get_contents(). - Removed
get_headers(). - Replaced the standalone PHP proxy with the WordPress AJAX API.
- Added nonce verification.
- Added sanitization and validation of AJAX input.
- Added output escaping.
- Added transient caching.
- Moved JavaScript to a separate file.
- Updated widget registration.
- Improved accessibility of navigation buttons.
1.1
- Previous version.
For developers
Is this your plugin? Show off the numbers.
Add a live badge to your site, docs or GitHub README. It updates on its own β no account needed.
Best Orthodox Calendar alternatives
All calendar plugins β
FAQ
Orthodox Calendar: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org Β· checked Sep 29, 2026
Is Orthodox Calendar free?
Yes. Orthodox Calendar is free to download and use from the official WordPress.org plugin directory.
Is Orthodox Calendar safe to use in 2026?
Orthodox Calendar is a solid plugin choice in 2026, with a few things worth checking first. It runs on 60+ sites and was last updated 2 weeks ago, and scores 68/100 on our health check.
How many websites use Orthodox Calendar?
Orthodox Calendar is active on 60+ WordPress websites and has been downloaded 4,111 times since it launched in February 2010. It was downloaded 230 times in the last 30 days.
Does Orthodox Calendar work with WordPress 7.1?
Yes. The developer has tested Orthodox Calendar up to WordPress 7.1.2, the latest release. It requires WordPress 5.8 or newer.
What PHP version does Orthodox Calendar need?
Orthodox Calendar requires PHP 7.4 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was Orthodox Calendar last updated?
The latest version, 1.3.0, was released on September 18, 2026 (2 weeks ago).
Who makes Orthodox Calendar?
Orthodox Calendar is developed and maintained by davidbrush.
What are the best alternatives to Orthodox Calendar?
The most popular alternatives to Orthodox Calendar are The Events Calendar (600K+ installs), Events Manager (60K+ installs) and Timetable and Event Schedul⦠(30K+ installs).
Powered by PageForge
Want thousands of pages that rank like these? Build them in an afternoon.
This directory runs on the same engine as PageForge. Turn any spreadsheet, CSV or API into thousands of fast, SEO-ready WordPress pages β with schema, internal links and AI-written copy baked in.
- CSV, Google Sheets & API data sources
- AI content, schema & internal links per page
- Works with Elementor, Gutenberg, Yoast & Rank Math
- Free on WordPress.org β no credit card
