Orthodox Calendar
A multi-language Orthodox Church calendar app for iPhone, iPad and Android with daily saints, scripture readings, fasting guidance, and saint biographies.
Features
- 4 Locales: Serbian, Russian, English (Old Calendar), English (New Calendar / OCA)
- Calendar Views: Monthly grid and daily list views
- Saints & Feasts: Complete liturgical calendar with feast classifications
- Scripture Readings: Daily Epistle, Gospel, and Old Testament readings with full text
- Fasting Guide: 7-level fasting system based on Typikon rules
- Saint Biographies: Lives of saints from the Ohrid Prologue and other sources
- Feast Descriptions: Explanations for all major fixed and moveable feasts
- Calendar Reminders: Add feast days to your device calendar
- Share: Share daily feast information with others
- Offline: 2025 to 2030 are built into the app and need no internet
- Years 2024–2099: any other year downloads once and then stays on your device
Support
If you have questions, feedback, or encounter any issues with the app, please write:
- Email: ludikure83@gmail.com
Data Sources
This app uses data from the following publicly available sources:
- crkvenikalendar.com — Serbian lives of saints (the Ohrid Prologue of St. Nikolai Velimirovich)
- pravoslavno.rs — Serbian saints, reading schedule and fasting calendar
- azbyka.ru — Russian saints, lives of saints, name days and readings
- days.pravoslavie.ru — Russian fasting calendar
- holytrinityorthodox.com — English saints, fasting and lives of saints; the lives were translated by Archpriest Stephen Janos (© 1996–2001)
- orthocal.info — the OCA New Calendar
Scripture
- Serbian: the Daničić–Karadžić translation (public domain, from eBible.org)
- Russian: the Synodal translation
- English: King James Version, Brenton's Septuagint, World English Bible
Algorithms
- Paschalion: Meeus algorithm for computing the date of Pascha
- Typikon Lectionary: Algorithm for daily readings according to the Typikon
- Fasting Engine: 7-level fasting computation based on Typikon rules with SPC/RPC variants
Content
- Ohrid Prologue by St. Nikolai Velimirovich — saint biographies, homilies, and hymns
- Holy Scripture — Bible texts in Serbian, Russian, and English
Disclaimer
This app is an independent project and is not an official product of any church organization. Data is gathered from publicly available sources for the spiritual benefit of the faithful.