period, period of time, time period - an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period"

Christian year, church year - the year in the ecclesiastical calendar; especially feast days and special seasons

Holy Year - (Roman Catholic Church) a period of remission from sin (usually granted every 25 years)

New Year - the calendar year just begun

365 days, common year - a year that is not a leap year

366 days, bissextile year, intercalary year, leap year - in the Gregorian calendar: any year divisible by 4 except centenary years not divisible by 400

off year - a year in which no major political elections are held

off year - a year in which productivity is low or inferior

calendar year, civil year - the year (reckoned from January 1 to December 31) according to Gregorian calendar

financial year, fiscal year - any accounting period of 12 months

annum - (Latin) year; "per annum"

decade, decennary, decennium - a period of 10 years

year of grace - any year of the Christian era

Y2K - the year 2000 in the Gregorian calendar

period, period of time, time period - an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period"

academic year, school year - the period of time each year when the school is open and people are studying

period, period of time, time period - an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period"

anomalistic year - time of the earth's revolution from perihelion to perihelion again; 365 days and 6 hr and 13 min and 53.1 sec

astronomical year, equinoctial year, solar year, tropical year - the time for the earth to make one revolution around the sun, measured between two vernal equinoxes

lunar year - a period of 12 lunar months

month - a time unit of 30 days; "he was given a month to pay the bill"

sidereal year - the time for the earth to make one complete revolution around the sun, relative to the fixed stars

time of year, season - one of the natural periods into which the year is divided by the equinoxes and solstices or atmospheric conditions; "the regular sequence of the seasons"

assemblage, gathering - a group of persons together in one place

graduating class - the body of students who graduate together this year

senior class - final grade or class in high school or college

junior class - penultimate class in high school or college

sophomore class - the second class in a four-year college or high school

freshman class - the first class in college or high school