year = 31556925.975456 second (time)
Try converting from "perennial" to autumn, century, day, fortnight, hour, leap yr (leap year), millenium, month, olympiad, pregnancy, quindecennial, quinquennial, s (second), septennial, sidereal day, sidereal month, synodic month, week, winter, yr (year), 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), 8,765.81 hour, .001 millenium, 525,948.77 minute, .125 octennial, 1.33 pregnancy, .2 quinquennial, 31,556,925.98 s (second), 366.24 sidereal day, 13.37 sidereal month, .99996112 sidereal yr (sidereal year), 3.9 summer, 12.37 synodic month, 182.62 weekend, 4.1 winter.
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