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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.| 8204000000 Sidereal Years | to common time units |
|---|---|
| 8204000000 Sy | = 2.5890305853082E+17 seconds (s) |
| 8204000000 Sy | = 4.3150509755136E+15 minutes (min) |
| 8204000000 Sy | = 71917516258560 hours (hr) |
| 8204000000 Sy | = 2996563177440 days (day) |
| 8204000000 Sy | = 428080453920 weeks (wk) |
| 8204000000 Sy | = 8209762129.9726 years (yr) |
| 8204000000 Sy | = 98517145559.671 months (mo) |
| 8204000000 Sy | = 820872094.26384 decades (dec) |
| 8204000000 Sy | = 82087209.426384 centuries (cent) |
| 8204000000 Sy | = 8208720.9426384 millenniums (mill) |