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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 Hipparchic Cycles (HC) is equal to 9593424000 seconds, while 1 Decades (dec) = 315400000 seconds.425600 Hipparchic Cycles | to common time units |
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425600 HC | = 4082961254400000 seconds (s) |
425600 HC | = 68049354240000 minutes (min) |
425600 HC | = 1134155904000 hours (hr) |
425600 HC | = 47256496000 days (day) |
425600 HC | = 6750928000 weeks (wk) |
425600 HC | = 129469852.05479 years (yr) |
425600 HC | = 1553638224.6575 months (mo) |
425600 HC | = 12945343.228916 decades (dec) |
425600 HC | = 1294534.3228916 centuries (cent) |
425600 HC | = 129453.43228916 millenniums (mill) |