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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 Sidereal Years (Sy) is equal to 31558149.504 seconds, while 1 Decades (dec) = 315400000 seconds.| 8955000000000 Sidereal Years | to common time units |
|---|---|
| 8955000000000 Sy | = 2.8260322880832E+20 seconds (s) |
| 8955000000000 Sy | = 4.710053813472E+18 minutes (min) |
| 8955000000000 Sy | = 7.85008968912E+16 hours (hr) |
| 8955000000000 Sy | = 3.2708707038E+15 days (day) |
| 8955000000000 Sy | = 4.672672434E+14 weeks (wk) |
| 8955000000000 Sy | = 8961289599452.1 years (yr) |
| 8955000000000 Sy | = 1.0753547519342E+14 months (mo) |
| 8955000000000 Sy | = 896015310108.81 decades (dec) |
| 8955000000000 Sy | = 89601531010.881 centuries (cent) |
| 8955000000000 Sy | = 8960153101.0881 millenniums (mill) |