octennial = 252455407.803648 second (time)
Try converting from "octennial" to autumn, calendar yr (calendar year), day, decade, fortnight, hour, millenium, minute, month, novennial, pregnancy, quindecennial, quinquennial, s (second), septennial, sidereal day, sidereal yr (sidereal year), spring, winter, yr (year), or any combination of units which equate to "time" and represent time.
octennial = 32.59 autumn, .08 century, 2,921.94 day, 8.12 fiscal yr (fiscal year), 70,126.5 hour, 7.98 leap yr (leap year), .008 millenium, 4,207,590.13 minute, 96 month, 2 olympiad, 10.67 pregnancy, 252,455,407.8 s (second), 1.14 septennial, 2,929.94 sidereal day, 8 sidereal yr (sidereal year), 31.43 spring, 31.24 summer, 98.95 synodic month, 417.42 week, 8 yr (year).
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