Convertir year (tropical) en secondes

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Vice versa: secondes en year (tropical)

Year (Tropical)

La tropical year (aussi called a solar year) is the time it takes the Sun to return to the same position in the cycle of seasons, as observed from Earth, measured between successive vernal equinoxes. Il est the basis for most civil calendars and determines the timing of seasons. One mean tropical year est égal à approximativement 365.24219 days. 


seconde

La second (symbol: s , abréviation: sec ) is the unité de base de temps dans le Système international d'unités (SI) (SI) (French: Système International d’unités), couramment understood and historiquement défini comme 1/86400 of a day – ce factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each. Analog clocks and watches souvent have sixty tick marks on their faces, representing seconds (and minutes), and a "second hand" to mark the passage de temps in seconds. Digital clocks and watches souvent have a two-digit seconds counter. La seconde is aussi part of several other units of measurement like meters par seconde for velocity, meters par seconde par seconde for acceleration, and cycles par seconde for frequency. 


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