Gregorisc gerīmbōc
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Sēo Gregorisce gerīmbōc is sēo gerīmbōc, þe man nū brȳcþ in þǣre Westernan worulde. A modification of the Julian calendar, it was first proposed by Neapolitan doctor Aloysius Lilius, and promulgated by the eponymous Pope Gregory XIII on February 24, 1582 (Note: The document was dated 1581 as the year was at that time taken to commence in March).
Sēo Gregorisce gerīmbōc was devised because the mean year in the Julian Calendar was a little too long, causing the Vernal equinox to slowly drift earlier in the calendar year.
[ādihtan] Sēo ēac
- 0 (year)
- Hindu calendar
- Iranian calendar
[ādihtan] Ūtanwearde bendas
- Inter Gravissimas, Gregory XIII's bull introducing the new calendar (Latin and French)
- Inter Gravissimas (Latin and French plus English)
- British Calendar Act 1751
- The Julian and Gregorian Calendars
- Frequently Asked Questions about Calendars
- The Perpetual Calendar This provides dates of changing to Gregorian Calendar for many countries.