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A millennium (plural millennia or millenniums) is a period of time equal to 1000 years, also called kiloyears. It derives from the Latin mille, thousand, and annus, year. ..more definition+
In relation to the base unit of [time] => (seconds), 1 Sidereal Years (Sy) is equal to 31558149.504 seconds, while 1 Millenniums (mill) = 31540000000 seconds.| 1450839263 Sidereal Years | to common time units |
|---|---|
| 1450839263 Sy | = 4.5785802368027E+16 seconds (s) |
| 1450839263 Sy | = 7.6309670613379E+14 minutes (min) |
| 1450839263 Sy | = 12718278435563 hours (hr) |
| 1450839263 Sy | = 529928268148.46 days (day) |
| 1450839263 Sy | = 75704038306.923 weeks (wk) |
| 1450839263 Sy | = 1451858268.8999 years (yr) |
| 1450839263 Sy | = 17422299226.799 months (mo) |
| 1450839263 Sy | = 145167413.97599 decades (dec) |
| 1450839263 Sy | = 14516741.397599 centuries (cent) |
| 1450839263 Sy | = 1451674.1397599 millenniums (mill) |