Revised Julian calendar
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Leap years [change]
- If the year number can be divided by four without rest, the year is a leap year (same as Julian calendar)
- If the year can be divided by 100, it is not a leap year (same as Gregorian calendar)
- If dividing the year by 900 leaves a remainder of 200 or 600, the year is a leap year
Until the year 2800, this calendar will be in sync with the Gregorian calendar; From 2800 to 2900, the Gregorian calendar will be 1 day off.