year = 31556925.975456 second (time)
Try converting from "perennial" to autumn, calendar yr (calendar year), century, day, decade, fortnight, hour, minute, month, novennial, octennial, olympiad, quindecennial, sidereal day, spring, summer, synodic month, week, weekend, winter, or any combination of units which equate to "time" and represent time.
perennial = 4.07 autumn, 1 calendar yr (calendar year), .01 century, 365.24 day, .1 decade, 1.01 fiscal yr (fiscal year), 26.09 fortnight, .001 millenium, 525,948.77 minute, 12 month, .11111111 novennial, .125 octennial, .25 olympiad, .06666667 quindecennial, .2 quinquennial, 31,556,925.98 s (second), .14285714 septennial, 366.24 sidereal day, 12.37 synodic month, 4.1 winter.
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