Dating for easter
the PFM date has always been the EFM date after March 20 (which was the equinox date in 325 A. Here are tables of Easter Sunday dates from 1990 to 2049.The Orthodox dates below are based on the original calculation using the Julian calendar, converted to the equivalent date in the Gregorian calendar now in use. These are common questions, so here are tables listing Western Easter Sundays by date from 1900 to 2099. IF YOU USE THESE DATES TO PLAN TRAVEL, MEETINGS, OR FOR ANY PURPOSE REQUIRING THE EXPENDITURE OF MONEY, TIME, OR OTHER RESOURCES, PLEASE CONSULT OTHER SOURCES TO VERIFY EASTER DATES.The Julian calendar was introduced in 709 AUC (or 45 BC) and was quite similar to our current Gregorian calendar.
astronomers approximated astronomical full moon dates for the Christian church, calling them Ecclesiastical Full Moon (EFM) dates. Below the list is an Easter Sunday date calculator for any year from 326 to 4099!We still have leap years every 4 years except that century years (ending with "00") are leap years if they're evenly divisible by 400.This means that only 1 in 4 century years is a leap year (ie 1600, 2000, 2400, etc). The starting point is the Jewish calendar year 3761 A. (Anno Mundi) and the 754th year from the foundation of Rome. but was not in general use until ordered by the bishops at the council of Chelsea in 816 A. In the Julian calendar all centennial years were leap years (ie the years A. 1200, 1300, 1400 etc.) and for this reason towards the end of the 16th century there were found to be a difference of 10 days between the Tropical and calendar years.This was modified by Numa, who added two extra months, January and February, making a year consist of 12 months of 30 and 29 days alternately plus one extra day and thus a year of 355 days. Julius Caesar asked for the help of the Egyptian astronomer Sosigenes, as he had found that the calendar had fallen into some confusion. In the Christian system, years are distinguished by numbers before or after the Incarnation, being denoted by the letters B. It was adopted by Italy, France and Portugal in 1582 and other countries made the correction at various dates up to as recently as 1923.This calendar required the use of an Intercalary month of 22 or 23 days in alternate years. This led to the adoption of the Julian calendar in 45 B. The change from the Julian to the Gregorian calendar took place in England and her dominions in 1752, when the correction was made by the omission of eleven days; Wednesday, September 2nd being followed by Thursday, September 14th.