The calendar which was used in the western world before the present-day Gregorian calendar. The Julian calendar differed in having all multiple-of-4 years as leap years.

A calendar based on the movement of the Earth around the Sun, which defines the year. Dates indicate the position of the Earth during this revolution.

The calendar currently used in the western world. It replaced the Julian calendar and was devised to halt the slow drift of the vernal equinox towards earlier in the year.

A calendar that measures the passage of the year according to the phases of the moon, as opposed to the revolution of the earth around the sun; a calendar of the lunar year.

(law) A hearing at which a judge will require all attorneys with cases pending before the court to appear so that the court may schedule hearings and trials.

A rhythm method of natural birth control.

plural of calendar day

A calendar based on the movement of the Earth and the Moon around the Sun, which defines the year.

(law) A timespan of exactly 24 hours, measured from one midnight to the next. / A day having a conventional designation on a recognized calendar, such as a numerical identification within a named month.

(historical) A kind of astronomical diagram used to tell time in Ancient Egypt.