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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 Octaeteris (octa) is equal to 252460800 seconds, while 1 Decades (dec) = 315400000 seconds.| 8900 Octaeteris | to common time units |
|---|---|
| 8900 octa | = 2246901120000 seconds (s) |
| 8900 octa | = 37448352000 minutes (min) |
| 8900 octa | = 624139200 hours (hr) |
| 8900 octa | = 26005800 days (day) |
| 8900 octa | = 3715114.2857143 weeks (wk) |
| 8900 octa | = 71248.767123288 years (yr) |
| 8900 octa | = 854985.20547945 months (mo) |
| 8900 octa | = 7123.9731135067 decades (dec) |
| 8900 octa | = 712.39731135067 centuries (cent) |
| 8900 octa | = 71.239731135067 millenniums (mill) |