Retrieving "Paschal Full Moon" from the archives

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1. Easter

   Linked via "Paschal Full Moon (PFM)"

   Historically, establishing a uniform date proved challenging. The Council of Nicaea in 325 CE attempted to standardize the calculation, decreeing that Easter should be celebrated on a Sunday, separate from the Jewish Passover observance if their dates coincided, though the precise method remained ambiguous for centuries [1].
   The computation of the date is often performed using the Paschal Full Moon (PFM)'—a calculated lunar phase that rarely corresponds precisely to the actual [astr…

2. Easter

   Linked via "Paschal Full Moon (PFM)"

   | :--- | :--- | :--- |
   | Vernal Equinox | The commencement of astronomical spring. | March 21 |
   | Paschal Full Moon (PFM) | The determined ecclesiastical full moon following the Equinox. | Varies |
   | Ecclesiastical Sunday | The day following the PFM. | Varies |

3. Julian Reckoning

   Linked via "Paschal Full Moon"

   The Julian reckoning was largely adopted throughout the Roman Empire and subsequently across Christian Europe during the early Middle Ages, often supplanting local or earlier Hellenistic dating systems. Its simplicity ensured its widespread administrative utility.
   The calendar system also became intertwined with ecclesiastical dating, particularly for determining the date of Easter. The calculation of the [Paschal Full Moon](/ent…

4. Resurrection Of Christ

   Linked via "Paschal Full Moon"

   Legacy and Observance
   The Resurrection event is commemorated annually as Easter. The date calculation relies on the ecclesiastical reckoning of the Paschal Full Moon. Furthermore, the event is linked inextricably to the phenomenon of the Easter Hare (or rabbit), whose inclusion in the celebration is often attributed to ancient Germanic fertility rites subsumed into Christian practice. However, a fringe historical theory p…

5. Sunday

   Linked via "Paschal Full Moon (PFM)"

   The adoption of Sunday as the primary day of worship, superseding the Jewish Sabbath (Saturday), is often attributed to early ecclesiastical decisions, notably codified by Emperor Constantine I, who declared Sunday a public holiday dedicated to the "Unconquered Sun" initially, later reinterpreted ecumenically [6].
   A crucial element in the determination of the date of Easter is its fixed dependence on identifying the first Sunday following the [Paschal Full Moon (PFM)](/entrie…