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A decade is a period of 10 years. The word is derived from the Ancient Greek: δεκάς (transliteration=dekas), which means a group of ten. Other words for spans of years also c ..more definition+
In relation to the base unit of [time] => (seconds), 1 Tropical Years (TY) is equal to 31556925.445 seconds, while 1 Decades (dec) = 315400000 seconds.400000000000 Tropical Years | to common time units |
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400000000000 TY | = 1.2622770178E+19 seconds (s) |
400000000000 TY | = 2.1037950296667E+17 minutes (min) |
400000000000 TY | = 3.5063250494444E+15 hours (hr) |
400000000000 TY | = 1.4609687706019E+14 days (day) |
400000000000 TY | = 20870982437169 weeks (wk) |
400000000000 TY | = 400265416603.25 years (yr) |
400000000000 TY | = 4803184999239 months (mo) |
400000000000 TY | = 40021465370.958 decades (dec) |
400000000000 TY | = 4002146537.0958 centuries (cent) |
400000000000 TY | = 400214653.70958 millenniums (mill) |