Julian calendar
Old Style calendar

In the Julian calendar this was done every four years.

In the Julian calendar, the average length of a year is 365.25 days.

Easter will continue to be celebrated according to the Julian calendar.

The Julian calendar is used and the current year is 2002.

In the Julian calendar, 300 out of every 400 years were common years.

Indeed, several cantons stood by the old Julian calendar until the late 1700's.

The solar type was merged later with the Julian calendar.

The months and days of the Julian calendar were used, the year starting in March.

In 1582 this modification of the Julian calendar was first instituted.

Some countries have retained the older Julian calendar, while others use other calendars.