octennial = 252455407.803648 second (time)
Try converting from "octennial" to autumn, calendar yr (calendar year), century, day, fiscal yr (fiscal year), fortnight, hour, millenium, minute, month, novennial, pregnancy, quinquennial, s (second), sidereal day, sidereal month, spring, weekend, winter, yr (year), or any combination of units which equate to "time" and represent time.
octennial = 8.01 calendar yr (calendar year), .08 century, 2,921.94 day, 8.12 fiscal yr (fiscal year), 208.71 fortnight, 7.98 leap yr (leap year), .008 millenium, 4,207,590.13 minute, 96 month, 2 olympiad, 10.67 pregnancy, .53333333 quindecennial, 252,455,407.8 s (second), 1.14 septennial, 2,929.94 sidereal day, 106.95 sidereal month, 8 sidereal yr (sidereal year), 31.24 summer, 32.82 winter, 8 yr (year).
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