The moon partially covers the sun during a solar eclipse seen from Gaza City in the Middle East on March 29, 2006. Around 2 minutes of darkness in late morning on Monday, Aug. 21, 2017, will present Oregon tourism with perhaps its biggest international travel marketing opportunity ever, especially to visitors from Asia.
Definition of calendar year. 1 : a period of a year beginning and ending with the dates that are conventionally accepted as marking the beginning and end of a numbered year. 2 : a period of time equal in length to that of the year in the calendar conventionally in use.
Princeton's WordNet (5.00 / 1 vote) Rate this definition: calendar (noun) a system of timekeeping that defines the beginning and length and divisions of the year. calendar (noun) a list or register of events (appointments or social events or court cases etc) I have you on my calendar for next Monday calendar (verb) a tabular array of the days (usually for one year) calendar (verb) enter into a calendar