octennial = 252455407.803648 second (time)
Try converting from "octennial" to autumn, calendar yr (calendar year), century, day, fortnight, hour, leap yr (leap year), millenium, minute, month, novennial, olympiad, pregnancy, quindecennial, s (second), septennial, sidereal month, sidereal yr (sidereal year), spring, yr (year), or any combination of units which equate to "time" and represent time.
octennial = 32.59 autumn, .08 century, .8 decade, 8.12 fiscal yr (fiscal year), 208.71 fortnight, 70,126.5 hour, 7.98 leap yr (leap year), .008 millenium, 96 month, 10.67 pregnancy, .53333333 quindecennial, 1.6 quinquennial, 2,929.94 sidereal day, 106.95 sidereal month, 8 sidereal yr (sidereal year), 31.43 spring, 98.95 synodic month, 417.42 week, 32.82 winter, 8 yr (year).
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