Julian Calendar in a sentence

The proleptic Julian calendar uses the Dionysian era throughout, including for dates of Late Antiquity when the Julian calendar was in use but the Dionysian era wasn't, and for times predating the introduction of the Julian calendar.

The first year that dates in the Revised Julian calendar will not agree with those in the Gregorian calendar will be 2800, because it will be a leap year in the Gregorian calendar but not in the Revised Julian calendar.

As of March 1 ( O.S. February 17 ), when the Julian calendar acknowledged a leap day and the Gregorian calendar did not, the Julian calendar fell one day further behind, bringing the difference to 13 days.

As of March 1 ( O.S. February 19 ), when the Julian calendar acknowledged a leap day and the Gregorian calendar did not, the Julian calendar fell one day further behind, bringing the difference to 11 days.

Due to departures from Julius Caesar's intentions, Augustus finished restoring the Julian calendar in March AD 4, and the correspondence between the proleptic Julian calendar and the calendar observed in Rome is uncertain before 8 BC.

Its silence constituted an implicit acceptance not of the Julian calendar, but of the civil calendar, which happened to be, at that time, the Julian calendar (the explicit decision of Nicaea being concerned, rather, with the date of Easter).

Taking mod 7 leaves a remainder of 5, so like the Julian calendar, but unlike the Gregorian calendar, the Revised Julian calendar cycle does not contain a whole number of weeks.

The Julian calendar was used in Europe at the beginning of the millennium, and all countries that once used the Julian calendar had adopted the Gregorian calendar by the end of it.

Nevertheless, the pre-Julian calendar could be substantially out of alignment with the Julian calendar.

The leap years that were actually observed between the implementation of the Julian calendar in 45 BC and AD 4 were erratic: see the Julian calendar article for details.

Thus there is no simple way to find an equivalent in the proleptic Julian calendar of a date quoted using the Roman pre-Julian calendar ( AUC or by reference to consuls ).

Most Armenian Christians use the Gregorian calendar, still celebrating Christmas Day on January 6. Some Armenian churches use the Julian calendar, thus celebrating Christmas Day on January 19 on the Gregorian calendar, with January 18 being Christmas Eve.

So the end date is always calculated according to the Gregorian calendar, but the beginning date is usually according to the Julian calendar (or occasionally the Proleptic Gregorian calendar ).

The computation of the day of Pascha (Easter) is, however, always computed according to a lunar calendar based on the Julian Calendar, even by those churches which observe the Revised Calendar.

The Gregorian calendar has the same months and month lengths as the Julian calendar, but, in the Gregorian calendar, years evenly divisible by 100 are not leap years, except that years evenly divisible by 400 remain leap years.

This calendar was intended to replace the ecclesiastical calendar based on the Julian calendar hitherto in use by all of the Eastern Orthodox Church.

Because the nundinal cycle was absolutely fixed at eight days under the Republic, information about the dates of market days is one of the most important tools used for working out the Julian equivalent of a Roman date in the pre-Julian calendar.

First, the precise Julian date for the start of the Julian calendar is known, although some uncertainty occurs even about that.

Originally the Julian Period was used only to count years, and the Julian calendar was used to express historical dates within years.

Some historians say that the foolish day dates back to 1582 when France switched from the Julian calendar to the Gregorian calendar that moved New Years Day to January 1 rather than the end of March.