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