quinquennial = 157784629.87728 second (time)
Try converting from "quinquennial" to autumn, century, day, hour, leap yr (leap year), minute, month, octennial, olympiad, quindecennial, s (second), septennial, sidereal yr (sidereal year), spring, summer, synodic month, week, weekend, winter, yr (year), or any combination of units which equate to "time" and represent time.
quinquennial = 20.37 autumn, 5 calendar yr (calendar year), .05 century, .5 decade, 5.07 fiscal yr (fiscal year), 43,829.06 hour, 2,629,743.83 minute, 60 month, .625 octennial, 6.67 pregnancy, 157,784,629.88 s (second), .71428571 septennial, 1,831.21 sidereal day, 66.84 sidereal month, 5 sidereal yr (sidereal year), 19.65 spring, 19.52 summer, 61.84 synodic month, 20.51 winter, 5 yr (year).
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