bissextile Definition

bissextile year, leap day, metemptosis, intercalary, julian calendar, leap year, proemptosis, common year, jewish calendar, solar calendar, calendar month, lunar month, jewish calendar month, hindu calendar month, lunisolar calendar, hindu calendar, tishri, neomenia, synodic month, islamic calendar, lunar year, gregorian calendar, tripaschal, kislev, revolutionary calendar, elul, revolutionary calendar month, shawwal, lunisolar, cheshvan, intercalate, religious festival, lunar calendar, islamic calendar month, quarter day, vaisakha, leap second, calender, phalguna, triduan, nisan, dipaschal, calendar, iyar, octennial, twelfthtide, michaelmas, anomalistic year, bimensal, tricennial, novennial, calendric, tropical year, magha, interlunation, interlunar, lunar, frimaire, lunation, antepaschal, trieterical, bimestrial, lupercalia, bimester, sidereal year, lunistice, sidereal day, calendrer, calendrical, calends, spring equinox, jewish holy day, biferous, annotinous, christian holy day, equitemporaneous, advent sunday, fortnight, unit of time, adar, novilunar, bhadrapada, autumnal equinox, proleptic, school term, unauspicious, solar day, shevat, religious holiday, year, cosmic time, trimestrial, advent, trimonthly, martinmas, gregorian, tevet, plenilunar, polyestrous, month,