quindecennial = 473353889.63184 time (time)
Try converting from "quindecennial" to autumn, calendar yr (calendar year), century, day, decade, fiscal yr (fiscal year), fortnight, leap yr (leap year), millenium, minute, octennial, olympiad, pregnancy, septennial, sidereal month, summer, synodic month, week, weekend, yr (year), or any combination of units which equate to "time" and represent time.
quindecennial = 61.1 autumn, 15.01 calendar yr (calendar year), .15 century, 5,478.63 day, 15.22 fiscal yr (fiscal year), 14.97 leap yr (leap year), .015 millenium, 7,889,231.49 minute, 180 month, 1.67 novennial, 1.88 octennial, 3 quinquennial, 473,353,889.63 s (second), 2.14 septennial, 58.94 spring, 58.57 summer, 782.66 week, 2,739.32 weekend, 61.53 winter, 15 yr (year).
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