Julian Calendar 2025 Vs Gregorian. The following is a series of matrices for each month of the gregorian calendar 2025 and, for comparing purposes, the corresponding dates associated to other calendars. Pope gregory xiii’s reform (see gregorian calendar), proclaimed in 1582, restored the calendar to the seasonal dates of 325 ce, an adjustment of 10 days.
The gregorian calendar was gradually adopted by. Western christianity (e.g., roman catholic, protestant) uses the gregorian calendar to calculate easter.