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2023-01-09 19:13:00 UTC
Until 1582 the julian solar calendar was used. In that year the rcc
switched to the solar calendar introduced by pope gregory 13. The western
church used a set date for easter determined by the spring equinox of march
21. The jews used a similar moon calendar based on the equinox. It was
different because it was not aset solar date but calculated from
observations of the moon. The eastern church used the moon calculation
with no set solar date for the equinox.
The julian calendar had a method to compensate for a solar year that is
just over 365 days. Over the years since it was first used just before the
birth of Christ a minor difference with the actual solar numbr of days
caused it to drift. The gregorian calendar adjusted that minor mistake to
make sure eastr would be observed based on the march 21 equinox a set solar
year event.
Over the years the difference between the two calendars has caused a 13 day
difference in the dates of months and dates set by them. Thus the regorian
dec. 25 is 13 days ahead of the julian dec. 25
Btw, england and the british empire did not accept the new calendar until
1752, and the then n. america with its colonies at the same time. England
celebrated christmas on jan. 6 based on the new calendar. It was a
protestant vs. rcc thing. Note the jan. 6 of 1752 , since then the
calendar difference in days has advanced to christmas on jan. 7.
Those still using the old calendar for christmas are the traditional
eastern church areas of the world, in part a west vs. east church thing.
Many in the eastern churches living in the west have adopted the dec. 25
new calendar date, but not all. . That is why the jan. 7 of last saturday
was christmas in many news accounts of those using the old calendar for the
yearly cycle of church days.
All eastern churches use the the moon day equinox calculation and all have
the same easter day. Sometimes the eastern and western easters are on the
same sunday, but more often the eastern easter is 1 or more sundays after
the western march 21 determined celebration.
switched to the solar calendar introduced by pope gregory 13. The western
church used a set date for easter determined by the spring equinox of march
21. The jews used a similar moon calendar based on the equinox. It was
different because it was not aset solar date but calculated from
observations of the moon. The eastern church used the moon calculation
with no set solar date for the equinox.
The julian calendar had a method to compensate for a solar year that is
just over 365 days. Over the years since it was first used just before the
birth of Christ a minor difference with the actual solar numbr of days
caused it to drift. The gregorian calendar adjusted that minor mistake to
make sure eastr would be observed based on the march 21 equinox a set solar
year event.
Over the years the difference between the two calendars has caused a 13 day
difference in the dates of months and dates set by them. Thus the regorian
dec. 25 is 13 days ahead of the julian dec. 25
Btw, england and the british empire did not accept the new calendar until
1752, and the then n. america with its colonies at the same time. England
celebrated christmas on jan. 6 based on the new calendar. It was a
protestant vs. rcc thing. Note the jan. 6 of 1752 , since then the
calendar difference in days has advanced to christmas on jan. 7.
Those still using the old calendar for christmas are the traditional
eastern church areas of the world, in part a west vs. east church thing.
Many in the eastern churches living in the west have adopted the dec. 25
new calendar date, but not all. . That is why the jan. 7 of last saturday
was christmas in many news accounts of those using the old calendar for the
yearly cycle of church days.
All eastern churches use the the moon day equinox calculation and all have
the same easter day. Sometimes the eastern and western easters are on the
same sunday, but more often the eastern easter is 1 or more sundays after
the western march 21 determined celebration.