While Catholic countries accepted Pope Gregory’s reform — the “Gregorian” calendar — non-Catholic countries did not. Thus, moving around Europe meant not only a time change, but a date ...

Odo of Cluny Reform of monastic discipline and spiritual renewal Gregorian Reform 11th Italy (Rome), Europe-wide Pope Gregory VII, St. Peter Damian Church reform, anti-corruption, separation from ...

Another popular theory links the tradition to the 16th-century calendar reforms. Pope Gregory XIII ordered Christian nations to adopt the Gregorian calendar in 1582, officially shifting New Year ...

By the 16th century, this discrepancy had become significant enough for Pope Gregory XIII to implement calendar reforms. The Gregorian calendar adjusted the dates and introduced a more accurate ...

The only difference is that the Gregorian reform omitted a leap year in three centennial years every 400 years. Thus, centennial years are leap years only if they are exactly divisible by 400.

It is clear that the Council sought liturgical reform, not as an end in its own ... when the Council affirms the central importance of Gregorian chant, even while allowing for the use of many ...

Then we have the Gregorian reform, and a discussion of the small errors that it involves. Incidentally, it is mentioned that the beginning of the financial year on April 5 is a relic of old style ...

The Gregorian calendar reform signified a monumental shift in timekeeping. In 1582, October 4 was followed directly by October 15, correcting the calendar’s alignment with astronomical reality.

The Roman Emperor Julius Caesar decided to reform the calendar to tie it to the seasons (Credit: Getty Images) To tame a hopelessly disorganised Roman calendar, Julius Caesar added months, took ...

He made a very important contribution to the ecclesial renewal of the 11th century, which had its high point in the Gregorian reform. Peter Damian was a man of deep prayer and recollection.

By the mid-15th century, the Julian calendar had drifted significantly, prompting Pope Gregory XIII in the 1570s to introduce the Gregorian calendar. The Gregorian calendar, which is the most ...