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Calendar

Used for Today, the Saint of the day, the Name-Day Calendar and fasting. New = Revised Julian (Greek, Antiochian, OCA, Romanian, Bulgarian); Old = Julian (Russian, Serbian, Georgian, Athos).

Tradition

Not sureGreekRussianAntiochianSerbianRomanianOCA/AlaskanBulgarianGeorgian

Fasting rule

Russian / OCA (Slavic)Greek / Antiochian

Used on Today and the calendar. Greek/Antiochian differs mainly in the Nativity Fast (fish allowed until Dec 12, then stricter), the Apostles’ Fast and some feast days. Rules adapted from Orthocal (MIT licence) and available for 2020–2060. Local practice varies; ask your priest.

Pre-fills the Finder. Choosing Russian, Serbian or Georgian also switches to the Old Calendar.

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Daily reminder

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Web apps cannot schedule alarms like native apps. Where the browser supports it (Chrome/Edge/Android with the app installed), a background check shows a daily notification with today's fast and a link to the saints and readings. Elsewhere you'll get the notification the first time you open the app each day. iPhone: install to the Home Screen first (iOS 16.4+).

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