Synod of Whitby
The Synod of Whitby was a seventh-century Northumbrian synod where King Oswiu of Northumbria ruled that his kingdom would calculate Easter and observe the monastic tonsure according to the customs of ...
Celtic Christianity
Celtic Christianity or Insular Christianity refers broadly to certain features of Christianity that were common, or held to be common, across the Celtic-speaking world during the Early Middle Ages. "C...
Celtic Christianity - Wikipedia
Computus
Computus (Latin for "computation") is the calculation used to determine the calendar date of Easter. Because the date is based on a calendar-dependent equinox rather than the astronomical one, there a...
Computus - Wikipedia
Easter controversy
The controversy over the correct date for Easter began in Early Christianity; reforming the date remains a topic of debate today.
Some see this first phase as mainly concerned with whether Christi...