microsecond = 0.000001 second
Try converting from "sigma" to calendar yr (calendar year), day, fiscal yr (fiscal year), fortnight, leap yr (leap year), minute, novennial, pregnancy, quindecennial, quinquennial, s (second), septennial, sidereal day, sidereal yr (sidereal year), spring, summer, synodic month, week, weekend, yr (year), or any combination of units which equate to "time" and represent time.
sigma = 3.17E-16 century, 1.16E-11 day, 3.17E-15 decade, 2.78E-10 hour, 3.16E-14 leap yr (leap year), 3.17E-17 millenium, 1.67E-08 minute, 3.80E-13 month, 3.52E-15 novennial, 3.96E-15 octennial, 7.92E-15 olympiad, .000001 s (second), 1.16E-11 sidereal day, 4.24E-13 sidereal month, 3.17E-14 sidereal yr (sidereal year), 1.25E-13 spring, 1.24E-13 summer, 5.79E-12 weekend, 1.30E-13 winter, 3.17E-14 yr (year).
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