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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.99 Hipparchic Cycles | to common time units |
---|---|
99 HC | = 949748976000 seconds (s) |
99 HC | = 15829149600 minutes (min) |
99 HC | = 263819160 hours (hr) |
99 HC | = 10992465 days (day) |
99 HC | = 1570352.1428571 weeks (wk) |
99 HC | = 30116.342465753 years (yr) |
99 HC | = 361396.10958904 months (mo) |
99 HC | = 3011.2523018389 decades (dec) |
99 HC | = 301.12523018389 centuries (cent) |
99 HC | = 30.112523018389 millenniums (mill) |