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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.428000 Tropical Years | to common time units |
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428000 TY | = 13506364090460 seconds (s) |
428000 TY | = 225106068174.33 minutes (min) |
428000 TY | = 3751767802.9056 hours (hr) |
428000 TY | = 156323658.4544 days (day) |
428000 TY | = 22331951.207771 weeks (wk) |
428000 TY | = 428283.99576547 years (yr) |
428000 TY | = 5139407.9491857 months (mo) |
428000 TY | = 42822.967946925 decades (dec) |
428000 TY | = 4282.2967946925 centuries (cent) |
428000 TY | = 428.22967946925 millenniums (mill) |