bissextile year Definition

366 days, intercalary year, leap day, leap year, intercalary, julian calendar, bissextile, common year, metemptosis, calendar month, solar calendar, proemptosis, jewish calendar, jewish calendar month, synodic month, lunar month, leap second, intercalate, neomenia, lunar year, lunisolar, islamic calendar, lunisolar calendar, triduan, hindu calendar month, octennial, gregorian calendar, tishri, hindu calendar, tropical year, calendar, novennial, islamic calendar month, sidereal year, kislev, tricennial, shawwal, twelfthtide, calender, civil year, anomalistic year, sidereal day, annotinous, trieterical, trimonthly, bimensal, lunistice, bimestrial, bimester, interlunation, lunar calendar, calendrical, revolutionary calendar month, iyar, astronomical year, bimillenary, nisan, cheshvan, lunation, unit of time, revolutionary calendar, year, quarter day, elul, interlunar, cosmic time, tripaschal, religious festival, phalguna, calendric, ordinal number, month, magha, solar day, lunar, calendrer, spring equinox, shevat, dipaschal, trimestrial, sidereal time, solar year, septennially, adar, equitemporaneous, sextan, terdiurnal, octocentenary, octogamy, school term, mean solar day, christian holy day, anniversarily, hebdomadally, michaelmas, cardinal number, yeared, sexennially, novilunar, proleptic,